Images of Old Hawaiʻi

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Lanai Tsunami

The name Kaluakapo Crater or “Kalua Kapo” means “hole of darkness” (according to the field notes of Stearns, 1936; Keating & Helsley).

Three ancient shorelines (the Mahana, Kaluakapo and Manele) have been described at elevations of 365, 190 and 170 m [1,200, 625, and 560 feet] in the Kaluakapo Crater. Original observations/theories of a fossil-bearing outcrop at 1,200-feet was interpreted as an ancient shoreline.

Subsequently, some argued that this fossil evidence represented the highest inundation of tsunami waves associated with the collapse of the flanks of the Hawaiian Islands chain. (Keating & Helsley)

“Geologists have long debated whether the Hawaiian Islands have been periodically hit by ‘megatsunamis,’ triggered by massive landslides plunging into the ocean.”

“Indeed, several such slides have cascaded from the western flanks of the Big Island–including the 350-cubic-kilometer Alika 2 slide about 120,000 years ago.”  (Robert Irion)

“Some researchers think that a megatsunami from that slide deposited coral and seashells high on the slopes of the island of Lanai more than 100 kilometers away.”

“Others reject that interpretation, claiming that the deposits mark the level of shorelines carved into Lanai before tectonic processes lifted the island.”  (Robert Irion)

“[T]he giant wave hypothesis (GWH) suggests a submarine landslide southeast of Lanai triggered three ‘giant waves’ that rushed toward Lanai with initial velocities of 149 m/s, at intervals of only one and a half minutes.”

“The first wave reached 190 m elevation on Lanai and eroded the soils and churned up boulders. The second wave reached the 375 m elevation, and picked up the gravels in suspension and stripped the terrain.”

“The third wave reached 190 m high on the island slope taking boulders in suspension, then accelerated down slope, stripping soil and molding the boulders into mound-shaped bed forms.” (Keating & Helsley)

“Computer simulations show that the tsunami would have swamped the other islands as well. ‘These waves were truly catastrophic,’ [Geologist Gary McMurtry of the University of Hawai‘i, Mānoa] says.”

“Still, [McMurtry] notes, they would be about as rare as megatsunamis from asteroids hitting the ocean–grave threats, but extremely unlikely in our lifetimes.” (Robert Irion)

Giant tsunamis, generated by submarine landslides in the Hawaiian Islands, have been thought to be responsible for the deposition of chaotic gravels high on the southern coastal slopes of the islands of Lanai and Molokai, Hawai‘i. Investigators  used uranium-thorium dating and a study of stratigraphic relationships.

That late investigation showed that deposits were formed by multiple events, separated by considerable periods of time, thus invalidating the main premise of the ‘giant wave’ theory.

Instead, the gravels were probably deposited during interglacial periods (when sea level was relatively high) by typical Hawaiian shoreline processes such as seasonal wave patterns, storm events and possibly ‘normal’ tsunamis, and reached their present height by uplift of Lanai. (Rubin, et al)

While the general consensus seems to be that a megatsunami was not the culprit, there have been other ‘normal’ tsunami that have impacted Lanai and other Islands.

“It was quite a severe earthquake as I remember. Another scary thing that happened on Lanai was a tidal wave during the building of Kaumalapau Harbor.”

“They were building the breakwater and they had a small locomotive that with the tracks ran out to the end so they could carry boulders out to build up the breakwater.”

“And this tidal wave came and later, we went down to see what damage had been done. And the tracks were twisted in knots and the locomotive was on its side. Ever since then, I’ve been very frightened of tidal waves.”

“No one was injured; it was just this damage because no homes were knocked down where the harbor was. (The homes were built on higher ground, so they were not damaged.)”

No one was working at the time … “I believe that tidal wave came during the middle of the night at a time when there was nobody down there.” (Jean Forbes Adams; UH Oral History, Lanai Ranch)

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Maliko Gulch Inverted Siphon

At the time of Haiku Sugar Company’s charter in 1858, there were only ten sugar companies in the Kingdom of Hawaiʻi.  Five of these sugar companies were located on the island of Maui:  East Maui Plantation at Kaluanui; Brewer Plantation at Haliʻimalie; LL Torbert and Captain James Makee’s plantation at Ulupalakua; Haiku Plantation; and Hana.

In 1869, Samuel Thomas Alexander and Henry Perrine Baldwin became business partners and bought 12-acres in Hāmākuapoko (an eastern Maui ahupuaʻa (land division.))  (They later formed Alexander & Baldwin, one of Hawai‘i’s ‘Big Five’ companies – and the only Big Five still in Hawai‘i.)

“The early years of the partnership of Alexander & Baldwin, represented a continual struggle against heavy odds. Haiku plantation had to have water.” (Men of Hawaii)

Then, the government granted Haiku Plantation the right to use the water flowing in streams down the broad slopes of Haleakala to the east of the plantation, and work was at once commenced on a ditch.

“The line, some seventeen miles in extent, with the exception of a few miles near the plantation, passes through the dense forest that covers the side of the mountain, and in running the levels for the work many large ravines and innumerable small valleys and gulches were encountered.”

“In the smaller of these the ditch winds its way, with here and there a flume striding the hollow, while through nine of the larger the water is carried in pipes twenty-six inches in diameter.”

“The digging of the ditch was a work of no small magnitude. A large gang of men, sometimes numbering two hundred, was employed in the work, and the providing of food, shelter, tools, etc, was equal to the care of a regiment of soldiers on the march.”

“As the grade of the ditch gradually carried the work high up into the woods, cart-roads had to be surveyed and cut from the main road to the shifting camps.”

“All the heavy timbers for flumes, etc., were painfully dragged up hill and down, and in and out of deep gulches, severely taxing the energies and strength of man and beast, while the ever-recurring question of a satisfactory food supply created a demand for everything eatable to be obtained from the natives within ten miles, besides large supplies drawn from Honolulu and abroad.”

“At the head of the work many difficult ledges of rock were encountered, and blasting and tunneling were resorted to, to reach the coveted water.” (FL Clarke, Thrum’s Annual, 1878)

Then came Maliko Gulch.

Maliko Gulch was too wide (and it was too expensive) to pipe the water via a bridge. They installed an inverted siphon in order to cross Maliko Gulch.  Maliko Gulch is a deeply incised stream valley with some sections of the valley floor more than 400 ft below the upland surface. (USGS)

“As the East Maui Irrigation Company report notes, Alexander planned to ‘pipe water across the gulch by means of a 1,110-foot-long inverted siphon.” (Witcher, Civil Engineering)

An inverted siphon uses a leakproof pipe that the ditch water flows into; the pipe is laid down, across and back up the Gulch ( and ends at a lower elevation than the where the ditch collects the water) – gravity pushes the water up the other side, into another ditch at the other side of the gulch.

“While work on the ditch was thus progressing, pipe makers from San Francisco were busied riveting together the broad sheets of iron to make the huge lengths of tube fitted to cross the deep ravines.” 

“These lengths had each to be immersed in a bath of pitch and tar which coated them inside and out, preserving the iron from rust, and effectually stopping all minute leaks.”

“The lengths thus prepared being placed in position in the bottom of the ravines, the upright lengths were fitted to each other (like lengths of stove-pipe) with the greatest care, and clamped firmly to the rocky sides of the cliffs.”

“Their perpendicular length varies from 90 feet to 450 feet; the greatest being the pipe that carries the water down into, across, and out of Maliko gulch to the Baldwin and Alexander Plantations.”

“At this point every one engaged on the work toiled at the risk of his life; for the sides of the ravines are almost perpendicular, and a ‘bed’ had to be constructed down these sides.”

“Then each length of pipe was lowered into the ravine and placed carefully in position; after which the perpendicular lengths were built up to the brink.”  (FL Clarke, Thrum’s Annual, 1878)

“When the ditch builders came to the last great obstacle, the deep gorge of Maliko, it became necessary in connection with the laying of the pipe down and up the sides of the precipices there encountered, for the workmen to lower themselves over the cliffs by rope, hand over hand.”

“This at first they absolutely refused to do. The crisis was serious.”

Just a few years before, “In 1876, while engaged in adjusting machinery at the sugar mill at the Pā‘ia plantation. Mr. Baldwin almost lost his life by being drawn between the rolls.”

“The engineer fortunately witnessed the accident and reversed the engine, but not before the right arm had been fearfully mangled almost up to the shoulder blade. The amputation was not followed by any serious results, but the handicap was a severe one to so energetic a worker as was Mr. Baldwin all his life.” (Mid Pacific, February 1912)

Back to the Maliko Gulch inverted siphon installation … while the workers initially refused, “[the one-armed] Baldwin met it by himself sliding down the rope, using his legs and his one arm, with which he alternately gripped and released the rope to take a fresh hold lower done.” (Arthur Baldwin)

“This was done before his injured arm had healed and with a straight fall of two hundred feet to the rocks below! The workmen were so shamed by this exhibition of courage on the part of their one armed manager, that they did not hesitate to follow him down the rope.”

“To keep the heart in them and to watch the progress of the work, Mr. Baldwin day after day went through this dangerous performance.” (Arthur Baldwin)

“Straining their financial resources almost to the breaking point, the young partners [Alexander and Baldwin] succeeded in bringing to completion the Hāmākua-Haiku ditch, the first important irrigation project in the islands.”

“The eventual enormous success of this enterprise made possible the great future of Alexander and Baldwin. Pā‘ia plantation was started and other extensive acreages were added to the partners’ holdings.” (Men of Hawaii)

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Lahilahi

“Nearly in the middle of this side of the island is the only village we had seen westward from Opooroah (Puʻuloa, Pearl Harbor.) In its neighbourhood the bases of the mountains retire further from the sea-shore, and a narrow valley, presenting a fertile cultivated aspect, seemed to separate, and wind some distance through, the hills.” (Vancouver, March 1793)

The ahupuaʻa of Makaha extends from the coastline to the Waiʻanae Range. Pukui noted Mākaha means “fierce;” Roger C. Green suggests it relates to “fierce or savage people” once inhabiting the valley.

Green refers to “…the ʻOlohe people, skilled wrestlers and bone-breakers, by various accounts (who) lived in Makaha, Makua and Keaʻau, where they often engaged in robbery of passing travelers.” (Cultural Surveys)

Waiʻanae Ahupuaʻa within the Waiʻanae District was its Royal Center in the late-1600s to the 1700s. The ahupuaʻa had numerous important heiau and the largest population of the district at European contact.

The Waianae Coast received its name from the mullet that was once farmed here. Wai means water, and ʻanae means large mullet (perhaps from mullet in the muliwai, or brackish-water pools, that were once common in the backshore on many Waiʻanae beaches.) These fish were once produced in large amounts.

Ahupuaʻa served as a means of managing people and taking care of the people who support them, as well as an easy form of collection of tributes by the chiefs.

A typical ahupuaʻa (what we generally refer to as watersheds, today) was a long strip of land, narrow at its mountain summit top and becoming wider as it ran down a valley into the sea to the outer edge of the reef. If there was no reef then the sea boundary would be about one and a half miles from the shore.

Palena (place boundaries) demarcated the boundaries between ahupuaʻa; this lessened conflict and was a means of settling disputes of future aliʻi who would be in control of the bounded lands; protected the commoners from the chiefs; and brought (for the most part) peace and prosperity. (Beamer, Duarte)

“The shore here forms a small sandy bay. On its southern side, between the two high rocky precipices, in a grove of cocoanut and other trees, is situated the village…”

“… in the center of the bay, about a mile to the north of the village, is a high rock, remarkable for its projecting from a sandy beach. At a distance it appears to be detached from the land.” (Vancouver, March 1793)

That ‘rock’ noted by Vancouver is Mauna Lahilahi (thin mountain – referred to by some as the ‘world’s smallest mountain’) is the palena, or boundary marker between the Makaha and Waianae ahupuaʻa (the hill itself is within the ahupuaʻa of Makaha.)

“The few inhabitants who visited us from the village, earnestly intreated our anchoring, and told us, that if we would stay until the morning, their chief would be on board with a number of hogs, and a great quantity of vegetables; but that he could not visit us then because the day was (kapu.)”

“The face of the country did not however promise an abundant supply; the situation was exposed, and the extent of anchorage was not only very limited, but bad; under these circumstances, having, by eleven at night, got clear of the shores, I deemed it most prudent to make the best of our way, with a light S.E. breeze towards Attowai (Kauai.)” (Vancouver, March 1793)

The village Vancouver saw was Kamaile, “with the beach and fishery in front and the well watered taro lands just behind.” A fresh water spring, Kekoʻo, gave life to this land and allowed for the existence of one of the largest populations on the Waiʻanae Coast. (Cultural Surveys)

Mauna Lahilahi inspired at least two songs. One, by Kaʻiulani, “I Mauna Lahilahi ko Wehi,” was probably inspired by a royal visit to the Holt estate in those golden days of Makaha Ranch. From about 1887 to 1899, the Holt Ranch raised horses, cattle, pigs, goats and peacocks.

It opens by offering Kaʻiulani a lei of “pua mamane melemele”: “Here at Mauna Lahilahi is your adornment; it is made of the golden blossoms of the mamane tree.”

The second verse shifts its focus from flower to princess and from beauty to status: “You are anointed with coconut water whose fragrance is wafted by the gentle Kaiaulu breeze.”

Verse three brings flower and natural action together in the drenching of the māmane in the Naulu rain: “The Naulu comes this way to soak the māmane blossom.” (deSilva)

“I Mauna Lahilahi ko Wehi”
https://www.youtube.com/watch?v=JcyuLccG25g

A later song, “Maunalahilahi” by Mary Robbins speaks of the love for Maunalahilahi and appreciation to its later owner, Jack Waterhouse.

“Affection for Maunalahilahi; Lingers in my heart; You are a treasure to us; As you approach my presence; It is as if we are in the presence of royalty ; Where many gather often; … This is my praise of Jack; You are a beloved person to all of us.”

Jack Waterhouse had his house at the foot of Mauna Lahilahi (on the Makaha side of the hill.)

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ʻŌhaiʻula

ʻŌhaiʻula (red ʻōhai shrub) is a beach at Kawaihae.  The earliest European observers of Kawaihae Bay were members of Captain Cook’s expedition. Arriving in February 1779, they were little impressed, Captain James King noting that,

“Although the NEern part of the bay which … is call’d Toe-yah-ya [Kawaihae] looks green & pleasant, yet as it is neither wooded or hardly any signs of culture, & a few houses, It has certainly some defect, & does not answer the purposes of what the natives cultivate.” (Cook’s Journal, NPS)

A little later (in the early 1800s), Isaac Iselin visited Kawaihae and noted, “This Bay of Toeigh [Kawaihae] is very open … The country around it looks like a hilly barren desert; nothing grows within ten miles of it, except a few cocoanut trees, of which a fine grove stands near the beach.”

“The inhabitants and huts are thinly scattered along the shore, far less numerous than about Karakakooah [Kealakekua], and seem more indigent, indeed, having to go so far for their subsistence, they are not seldom in want of the supports of life.” (Iselin)

Over 100 years later, in the 1920s, the Parker Ranch constructed a wagon road through the Pelekane area past Mailekini Heiau to a charcoal kiln inland of ʻŌhaiʻula Beach. It provided easier access to the beach than the shoreline trail. (NPS)

Attitudes about this area also changed. “Kawaihae is gaining in popularity. According to reports published frequently in this paper’s news columns many folks from all parts of Hawaii are availing themselves of the Kawaihae opportunity.”

“Kawaihae, unquestionably, is one of this island’s most attractive areas. The swimming beach there cannot be exceeded in this county. The chance for pleasurable picnic weather is most excellent. While it rains sometime in that district, storms, certainly, are not frequent.”

“When considering various points of beauty for week-end or holiday outings, give Kawaihae the favor that it should have. If one never has visited this beach he has not seen all of Hawaii, by any means. … We are happy to see Kawaihae gain local favor – pleased because it deserves just that.” (HTH, Sep 8, 1931)

By the 1930s and 1940s, fishermen and some hog raisers moved into the area, living along the beach in raised, temporary huts thatched with grass or coconut supplemented with odd bits of lumber, with tin or iron roofs and lanais, and with small fishponds in between.

People also came just for the weekend, including wealthy haole (whites), who erected boat houses and dry-docked their boats in the area of the coconut trees. The marine railway must have been built about that time for repairing these boats. (NPS)

ʻŌhaiʻula started to take on a new name, ‘Kawaihae Beach’ …

“Kawaihae beach will invite with its cool, peaceful setting, the sparkling water at its feet, and the wealth of its vegetation. Yet Kawaihae beach last year was a barren stretch of sand on Kohala. It was a popular week-end picnic spot because, despite the great possibility for improvement, it was the closest to ideal in that district.” (HTH, Nov 17, 1931)

“So many people go there over week-ends and on holidays that its facilities and space already are hopelessly inadequate. As we hardly need point out here, it is about the only piece of shoreline on the whole island that actually qualifies as a beach.”

“The only piece of shoreline, we should add, that qualifies as a real beach and that is open to the public.  There are, of course, other superb beaches on Big Island shores but all the best of these are either privately owned or inaccessible except by boat.” (HTH, Sep 13, 1947)

(Note: under today’s laws, beaches in Hawai‘i are generally publicly owned and accessible. As part of the public trust doctrine, they are essential public coastal recreational resources. Providing coastal recreational opportunities accessible to the public is a fundamental objective set forth in Chapter 205A, Hawaii Revised Statutes (HRS).)

“The end of the war, more freedom to move about, and a decent highway leading to Kawaihae beach has made that attractive spot one of the most popular on the Big Island. As a county park, it should pay big dividends in recreation.” (HTH, Sep 13, 1947)

Per Real Property Tax records, the land was owned by the Territoy of Hawai‘i and transferred to the County through Executive Order #729 for the Kawaihae Beach Park in the late-1930s.

“[T]he County operated a public park known as the Kawaihae park, near Kawaihae, district of south Kohala, and employed one Victor Laau as caretaker and custodian … the upkeep and maintenance of Kawaihae park was a ‘governmental” function’”. (Lovell v. County of Hawaii. Hawai‘i Supreme Court)

Its name changed again from Kawaihae Beach to Spencer Beach …

The park was renamed to honor Samuel Mahuka Spencer (1875–1960), the Chair of the Hawai‘i Island Board of Supervisors (equivalent to the present position of Mayor, from 1924-1944; the island’s longest serving). (McElroy)

Spencer was born in Waimea, Island of Hawaiʻi. He attended Kamehameha Schools where he was an outstanding baseball player. In 1895 he married Alice Kinimaka.

His career included Territorial Land Office clerk, deputy sheriff, bookkeeper for Henry Waterhouse Co., Parker Ranch, and deputy country clerk Country of Hawaiʻi, and in 1915, he became special auditor for the County of Hawaiʻi, then he was elected chairman of the Board of Supervisors in 1924. (Men of Hawai‘i)

Then, the ʻŌhaiʻula name returned to the place; in 2003 the park was renamed “Spencer Park at ʻŌhaiʻula Beach.”

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Waikoloa

“It was the same from Hawaiʻi to Kauai –
no name was given without some reason.”
(Kamakau)

In old Hawaiʻi, it was the nature of ‘place’ that shaped the practical, cultural and spiritual view of the Hawaiian people.  In ancient times, the naming of a place was not a task to be undertaken lightly, for the Hawaiians recognized the power inherent in a name.

In giving a name to a piece of land, whether it be an island, a hill or a rocky headland, the inhabitants of ancient Hawaiʻi were placing a part of themselves on the landscape.  (Reeve)

Place names are a reaffirming link, not only to the land itself, but to all the events, both legendary and historic, which had taken place on that land and to the ancestors who had lived on and were now buried within it.

Place names are often descriptive of: (1) the terrain, (2) an event in history, (3) the kind of resources a particular place was noted for or (4) the kind of land use which occurred in the area so named. Sometimes an earlier resident of a given land area was also commemorated by place names.  (Kepa Maly)

Place names matter, and depending on your spelling or diacritical notations, you may be speaking of different places, with the same letter sequence.  Take, for instance,

Waikoloa (wai-kō-loa – the name of a wind (cold northwest wind; literally: water pulling far)
Waikoloa (wā‘i-ko‘-loā; wai-koloa) – literally: (wild) duck water

Honi aku i ke ala o ka mau ‘u
Ike ala o ke kupukupu,
E lino ‘ia ‘ana e ka Waikoloa

Sniff the scent of the grasses
The fragrance of the kupukupu ferns
That are twisted about by the Waikoloa wind (Kamakau)

“The region of Lālāmilo was named for the young chief Lālāmilo, grandson of Kanakanaka, an expert lawai‘a hī-‘ahi (deep sea tuna lure fisherman) and Pilia-mo‘o, a powerful priestess and ‘ōlohe. Kanakanaka and Piliamo‘o were the parents of Nē‘ula (a fishing goddess), and she married Pu‘u-hīna‘i a chief of the inlands, and they in turn were the parents of Lālāmilo.”

“Kanakanaka’s sister was the wind goddess, Waikōloa, for whom the lands are now named.” (Kepa Maly)

“Although the NEern part of the bay which (the whole or part) is call’d Toe-yah-ya [Kawaihae] looks green & pleasant, yet as it is neither wooded or hardly any signs of culture, & a few houses …”

“… it has certainly some defect, & does not answer the purposes of what the natives cultivate. The s part appear’d rocky & black, & partakes more of the nature of the land about Karakakooa [Kealakekua].” (Cook’s Journal by King, Feb 6, 1779; Maly)

In March 1779, while sailing north from Kealakekua, Cook’s ships passed the South Kohala shoreline and King compared the southern section of Kohala to the arid shore of Ka‘ū. He also reported that there appeared to be few residents in the area around Kawaihae. (Maly)

“We now come to Ko-Harra [Kohala] the NW & last district. It is bounded by two tolerable high hills, & the Coast forms a very extensive bay call’d Toe Yah-Yah, in the bottom of which is foul Corally ground, & there was no approaching it; in the head of the bay as far as we could judge distant the Country look’d tolerably, but the s side is partook of the same nature as Kao [Kau] …”

“… & along the NE side of the bay close to which we Sail’d, it is very little Cultivated, & we saw but few houses; the Peoples appearance shewd that they were the lowest Class that inhabited them…” (Cook’s Journal by King; Maly)

“The climate of this district is, upon the whole, unpleasant, particularly at Waimea, in consequence of the trade-wind, which is exceedingly strong, bringing with it a mist towards sunset. This wind rushes furiously down between the mountains which bound the valley of Waimea, and becomes very dangerous to shipping in the bay.”

“It is called by the natives ‘mumuku,’ and is foretold by them from an illuminated streak that is seen far inland. This is believed to be caused by the reflection of the twilight on the mist that always accompanies the mumuku.” (Wilkes, Vol IV, 1845)

Waimea is “a ‘Kalana’ or ‘‘Okana,’ a land division which in ancient times was treated as a sub-district, smaller than the moku o loko, yet comprised of a number of smaller lands that contributed to its wealth.”

“The lands and resources subject to the Kalana of Waimea included, but were not limited to, ‘Ōuli, Wai‘aka, Lālāmilo, Puakō, Kalāhuipua‘a, ‘Anaeho‘omalu, Kanakanaka, Ala‘ōhi‘a, Paulama, Pu‘ukalani (Pukalani), Pu‘ukapu, and Waikōloa.” (Kepa Maly)

“In the 1840s and 1860s, elder native witnesses described these various lands as ‘‘ili,’ or land divisions of lower status than ahupua‘a, which fell under the jurisdiction of the chiefs of Waimea.”

“Understanding this difference in the status of the land divisions of the Waimea region helps explain why lands such as ‘Anaeho‘omalu and Kalāhuipua‘a have no upland agricultural resources; and why Waikōloa and all the other lands extending north from it, except for Lālāmilo and ‘Ōuli, have no ocean frontage.” (Kepa Maly)

“Waikōloa and its smaller land areas shared a unique relationship with the Kalana of Waimea in ancient and early historic times.”

“In 1903, Parker Ranch, under the direction of A.W. Carter, purchased the land of Waikōloa, in which are situated the smaller land areas of Waiki‘i and Ke‘āmoku. By 1904, Parker Ranch began upgrading and developing the Waiki‘i and Ke‘āmoku stations.” (Kepa Maly)

“The Waiki‘i Village was under construction by 1909, and by 1918, over 2,000 acres of corn, hay, and other feed crops; and potato fields, tree farms and a fruit orchard had been planted.”

“The ranch also developed turkey, chicken and pig farms on the land. With the blossoming and fruiting of Waiki‘i upon the mountain landscape, there came also, people from the far corners of the earth.” (Kepa Maly)

Now head over to the east side of Mauna Kea … and you have Waikoloa (Duck Ponds).

The ‘pond’ reference helps identify this as the other translation and place name related to the Koloa – the Hawaiian Duck. This area has some shallow pools called the Duck-Ponds [Wai-koloa], from the quantity of these birds frequenting them.  (Maly)

Koloa are medium-sized (20 inches long) ducks with variable mallard-like plumage. Male Koloa-maoli resemble male mallards in eclipse plumage but have a dark chestnut breast. Dusky green heads on male Koloa rarely appear on other than first-year birds.

Female Koloa-maoli are similar to female mallards but are ruddier and with green rather than blue speculums (colored patch on their secondary wing feathers).

Koloa-maoli, termed simply Koloa, differ chiefly from their nearest relative, the Laysan duck, by their larger size, less regularly barred retrices, less reddish color, and lack of white around the eye.

The first mention of Koloa on the island of Hawai‘i seems to be that of Wilkes who wrote under date of January 11, 1841 that members of the Wilkes Exploring Expedition observed “an open space in the woods, near some shallow pools called the Duck-Ponds, from the quantity of these birds frequenting them.” (Wilkes)

Some 35 years later, during a brief stop-over by the Challenger Expedition, one of the Expedition members, Campbell, wrote that they “started many a wild duck … every hollow being under water” . (Banko, 1987)

Observers before 1900 recorded the Koloa as common and widespread, though becoming scarcer, in freshwater habitats on all of the major Islands. (Banko)

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