Species | Laysan albatross |
---|---|
Sex | Female |
Hatched | c. 1951 (age 72–73) |
Known for | World's oldest known wild bird; world's oldest banded bird |
Wisdom (officially named #Z333) is a wild female Laysan albatross, the oldest confirmed wild bird in the world and the oldest banded bird in the world. [1] First tagged in the 1950s at Midway by the United States Geological Survey (USGS), she was still incubating eggs as late as 2020 and has received international media coverage in her lifetime. She was spotted alive and apparently healthy as recently as December 2023. [2]
Wisdom hatched around 1951, and possibly earlier. In 1956, she was tagged by scientists as #Z333 at the Midway Atoll National Wildlife Refuge. When she was banded in 1956, she was conservatively estimated to be five years old—the earliest age that the Laysan albatross reaches sexual maturity. [3] The person to attach the first tag was Chandler Robbins, who was a senior scientist at the USGS. [4] Birds are banded so that their populations can be monitored and individuals' longevity, behavior and migration patterns can be studied. [5]
The USGS has tracked Wisdom since she was first tagged and estimated that Wisdom has flown over 3,000,000 miles (4,800,000 km) since 1956 (approximately 120 times the circumference of the Earth). To accommodate her longevity, the USGS has replaced her tag a total of six times. [4]
Albatrosses lay one egg per year, and have monogamous mates for life. [6] Smithsonian speculated that, due to Wisdom's unusual longevity, she may have had to find another mate in order to continue breeding. [7] Biologists estimated that Wisdom has laid some 30–40 eggs in her lifetime and that she has at least 30–36 chicks. [8]
Between 2005 and 2014, Wisdom laid eight eggs. [9] She and her chick survived the 2011 Tōhoku earthquake and tsunami that killed an estimated 2,000 adult Laysan and black-footed albatrosses and an estimated 110,000 chicks at the Refuge. [10] [11] On December 3, 2014, Wisdom made headlines when she laid an egg at Midway Atoll. Her mate had arrived at the atoll on November 19, and Wisdom was first spotted by the Refuge staff on November 22. [12] The egg was estimated to be the 36th she had laid.
Wisdom hatched and reared another chick in December 2016 at the approximate age of 66. In December 2017, she bred again. [13] [14] In December 2018, United States Fish and Wildlife Service (USFWS) Pacific Region reported that Wisdom had returned to the Midway Atoll and laid an egg, [15] which hatched in February 2019. [16] In December 2020, it was reported that Wisdom was again incubating an egg. [17] The chick hatched on February 1, 2021. [18]
On November 26, 2021, Wisdom was once again seen at the atoll. [19] Her long-time mate, Akeakamai, did not return, and she did not breed that season. However, her chick from 2011 had a chick of its own (making Wisdom "a granny"). [20] [21] In December 2022, it was reported that Wisdom had been spotted on Midway Atoll in the new season, but Akeakamai was still missing. [20] On 4 December 2023, the USFWS reported that Wisdom had once again returned to Midway Atoll National Wildlife Refuge. This latest sighting means her estimated age is now 72 years old.
The USFWS stated, "Wisdom's continued contribution to the fragile albatross population is remarkable and important. Her health and dedication have led to the birth of other healthy offspring which will help recover albatross populations on Laysan and other islands." [22]
Bruce Peterjohn, chief of the North American Bird Banding Program, stated that Wisdom "[was] now the oldest wild bird documented in the 90-year history of [the] USGS-FWS and Canadian bird banding program. To know that she can still successfully raise young at age 60-plus, that is beyond words." [23]
Wisdom has received coverage from many major news sources in the United States and elsewhere, including The Guardian , [24] National Geographic , [25] Discovery News, [23] and 60 Minutes . In January 2020, Wisdom was featured in episode 3, "Hawaii", of BBC Two's Earth's Tropical Islands . [26]
Midway Atoll is a 2.4 sq mi (6.2 km2) atoll in the North Pacific Ocean. Midway Atoll is an insular area of the United States and is an unorganized and unincorporated territory. The largest island is Sand Island, which has housing and an airstrip. Immediately east of Sand Island, across the narrow Brooks Channel, is Eastern Island, which is uninhabited and no longer has any facilities. Forming a rough, incomplete circle around the two main islands and creating Midway Lagoon is Spit Island, a narrow reef.
The United States Fish and Wildlife Service is a U.S. federal government agency within the United States Department of the Interior which oversees the management of fish, wildlife, and natural habitats in the United States. The mission of the agency is "working with others to conserve, protect, and enhance fish, wildlife, plants and their habitats for the continuing benefit of the American people."
Kure Atoll or Ocean Island is an atoll in the Pacific Ocean 48 nautical miles west-northwest of Midway Atoll in the Northwestern Hawaiian Islands at 28°25′N178°20′W. A coral ring 6 miles (9.7 km) across encloses a lagoon several meters deep. The only land of significant size is called Green Island and is a habitat for hundreds of thousands of seabirds. A short, unused and unmaintained runway and a portion of one building, both from a former United States Coast Guard LORAN station, are located on the island. Politically, it is part of Hawaii, although separated from the rest of the state by Midway, which is a separate unorganized territory. Green Island, in addition to being the nesting grounds for tens of thousands of seabirds, has recorded several vagrant terrestrial birds, including snow bunting, eyebrowed thrush, brambling, olive-backed pipit, black kite, Steller's sea eagle and Chinese sparrowhawk. It is currently managed as a Wildlife Bird Sanctuary by the State of Hawaii's Department of Land and Natural Resource–Division of Forestry and Wildlife as one of the co-trustees of Papahānaumokuākea Marine National Monument with support from the Kure Atoll Conservancy.
The Laysan duck, also known as the Laysan teal, is a dabbling duck endemic to the Hawaiian Islands. Fossil evidence reveals that Laysan ducks once lived across the entire archipelago, but today survive only on Laysan Island and two atolls. The duck has several physical and behavioral traits linked to the absence of ground-based predators in its habitat. By 1860, the ducks had disappeared from everywhere except Laysan Island. The introduction of European rabbits by guano miners at the end of the 19th century brought the bird to the brink of extinction in 1912, with twelve surviving individuals. Rabbits were eradicated from the island in 1923 and numbers of Laysan ducks began to rise, reaching 500 by the 1950s. In an effort to ensure the long-term future of this duck, 42 birds were translocated to Midway Atoll National Wildlife Refuge in 2002. These thrived in their new surroundings, and another group were later relocated to Kure Atoll.
The Northwestern Hawaiian Islands also known as the Leeward Hawaiian Islands, are a series of islands and atolls located northwest of Kauai and Niʻihau in the Hawaiian island chain. Politically, these islands are part of Honolulu County in the U.S. state of Hawaii, with the exception of Midway Atoll. Midway Atoll is a territory distinct from the State of Hawaii, and is classified as one of the United States Minor Outlying Islands. The United States Census Bureau designates this area, excluding Midway Atoll, as Census Tract 114.98 of Honolulu County. The total land area of these islands is 3.1075 square miles. With the exception of Nihoa, all these islands lie north of the Tropic of Cancer, making them the only islands in Hawaii situated outside the tropics.
The Pearl and Hermes Atoll, also known as Pearl and Hermes Reef, is part of the Northwestern Hawaiian Islands, a group of small islands and atolls that form the farthest northwest portion of the Hawaiian island chain. The atoll consists of a variable number of flat and sandy islets, typically between five and seven. More were noted in historical sources but have since been lost to erosion and rising sea levels.
Laysan is one of the Northwestern Hawaiian Islands, located 808 nautical miles northwest of Honolulu. It has one land mass of 1,016 acres (4.11 km2), about 1 by 1+1⁄2 miles in size. It is an atoll of sorts, although the land completely surrounds Laysen Lake some 2.4 m (7.9 ft) above sea level that has a salinity approximately three times greater than the ocean. Laysan's Hawaiian name, Kauō, means 'egg'.
The Laysan rail or Laysan crake was a flightless bird endemic to the Northwest Hawaiian Island of Laysan. This small island was and still is an important seabird colony, and sustained a number of endemic species, including the rail. It became extinct due to habitat loss by domestic rabbits, and ultimately World War II.
The black-footed albatross is a large seabird of the albatross family Diomedeidae from the North Pacific. All but 2.5% of the population is found among the Northwestern Hawaiian Islands. It is one of three species of albatross that range in the northern hemisphere, nesting on isolated tropical islands. Unlike many albatrosses, it is dark plumaged.
The Laysan finch is a species of Hawaiian honeycreeper, that is endemic to the Northwestern Hawaiian Islands. It is one of four remaining finch-billed Hawaiian honeycreepers and is closely related to the smaller Nihoa finch. The Laysan finch is named for Laysan, the island to which it was endemic on its discovery. It was subsequently introduced to a few other atolls, and its historical range included some of the main islands.
The Laysan albatross is a large seabird that ranges across the North Pacific. The Northwestern Hawaiian Islands are home to 99.7% of the population. This small gull-like albatross is the second-most common seabird in the Hawaiian Islands, with an estimated population of 1.18 million birds, and is currently expanding its range to new islands. The Laysan albatross was first described as Diomedea immutabilis by Lionel Walter Rothschild, in 1893, on the basis of a specimen from Laysan Island.
The short-tailed albatross or Steller's albatross is a large rare seabird from the North Pacific. Although related to the other North Pacific albatrosses, it also exhibits behavioural and morphological links to the albatrosses of the Southern Ocean. It was described by the German naturalist Peter Simon Pallas from skins collected by Georg Wilhelm Steller. Once common, it was brought to the edge of extinction by the trade in feathers, but with protection efforts underway since the 1950s, the species is in the process of recovering with an increasing population trend. It is divided into two distinct subpopulations, one of which breeds on Tori-shima in the Izu islands south of Japan, and the other primarily on the Senkaku Islands in the East China Sea.
Kīlauea Point National Wildlife Refuge is a National Wildlife Refuge on the northwest coast of the island of Kauaʻi in Hawaiʻi.
Albatrosses, of the biological family Diomedeidae, are large seabirds related to the procellariids, storm petrels, and diving petrels in the order Procellariiformes. They range widely in the Southern Ocean and the North Pacific. They are absent from the North Atlantic, although fossil remains of short-tailed albatross show they once lived there up to the Pleistocene, and occasional vagrants are found. Great albatrosses are among the largest of flying birds, with wingspans reaching up to 2.5–3.5 metres (8.2–11.5 ft) and bodies over 1 metre (3.3 ft) in length. The albatrosses are usually regarded as falling into four genera, but disagreement exists over the number of species.
The Papahānaumokuākea Marine National Monument (PMNM) is a World Heritage listed U.S. National Monument encompassing 583,000 square miles (1,510,000 km2) of ocean waters, including ten islands and atolls of the Northwestern Hawaiian Islands. It was created in June 2006 with 140,000 square miles (360,000 km2) and expanded in August 2016 by moving its border to the limit of the exclusive economic zone, making it one of the world's largest protected areas. It is internationally known for its cultural and natural values as follows:
The area has deep cosmological and traditional significance for living Native Hawaiian culture, as an ancestral environment, as an embodiment of the Hawaiian concept of kinship between people and the natural world, and as the place where it is believed that life originates and to where the spirits return after death. On two of the islands, Nihoa and Mokumanamana, there are archaeological remains relating to pre-European settlement and use. Much of the monument is made up of pelagic and deepwater habitats, with notable features such as seamounts and submerged banks, extensive coral reefs and lagoons.
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Lindsay Young is an avian conservation biologist who has published over 110 journal articles and technical reports on Pacific Seabirds. She is currently Senior Scientist and Executive Director of the Pacific Rim Conservation. This nonprofit, research-based organization works to restore native seabird populations and ecosystems. She is also the current chair of the World Seabird Union. Young has also served as treasurer for the Pacific Seabird Group, as chair for the North Pacific Albatross Working Group, and as correspondent for the Agreement on the Conservation of Albatrosses and Petrels.