| Brace's emerald | |
|---|---|
 | |
| Artist rendition | |
Scientific classification  | |
| Domain: | Eukaryota |
| Kingdom: | Animalia |
| Phylum: | Chordata |
| Class: | Aves |
| Clade: | Strisores |
| Order: | Apodiformes |
| Family: | Trochilidae |
| Genus: | Riccordia |
| Species: | †R. bracei |
| Binomial name | |
| †Riccordia bracei (Lawrence, 1877) | |
 | |
Brace's emerald (Riccordia bracei) is an extinct species of hummingbird which was endemic to the main island of the Bahamas, New Providence.
Its weight was 0.43 oz (12 g) its wingspan was 9.25 in (23.5 cm);its length was 5.5 in (14 cm) and the length of its tail was 2.5 in (6.4 cm). The black bill was slightly straight and short. The legs and feet were black. The back exhibited a slaty blue hue with a black gleam. The head was similarly coloured to the back, with the absence of the black gloss. Directly behind the eyes was a white eyebrow. The throat was white. The abdomen had white feathers with black and yellow splotches. The wings exhibited a bluish hue with white wingbars. The rectrices were blackish. The crissum (the undertail covert which surrounded the cloacal opening) was white with a faint yellow hue at the edges.
For more than a hundred years, Brace's emerald was only known by the type specimen, one single male which was shot by bird collector Lewis J. K. Brace on July 13, 1877, around three miles (4.8 kilometres) away from Nassau on the island of New Providence. The skin (which is unfortunately heavily damaged at the throat) is now at the Smithsonian Institution in Washington, D.C. The species was long ignored by ornithological authorities. In 1880, it was listed without commentary as a synonym of the Cuban emerald (Riccordia ricordii).
Not until the 1930s was the unique status of the holotype even recognized, as it was seen as an aberrant specimen of the Cuban emerald that had become a vagrant to New Providence. American ornithologist James Bond was the first to discuss the differences between R. ricordii and R. bracei. In 1945, he split R. ricordii and regarded R. ricordii bracei as a new subspecies. In contrast to the Cuban species, the specimen from New Providence was smaller, had a longer bill and a different plumage.
In 1982, palaeornithologists William Hilgartner and Storrs Olson discovered fossil remains of three hummingbird species from the Pleistocene in the deposits in a cave of New Providence.[ citation needed ] These were the Bahama woodstar (Nesophlox evelynae), Cuban emerald (R. ricordii; also R. elegans), and another species, which was later identified as Riccordia bracei. This provided evidence that Brace had discovered a new hummingbird species which lived on New Providence since the Pleistocene. It formed a relict population, and most likely due to habitat loss and human disturbance (e.g. agriculture), it became extinct at the end of the 19th century. Both R. bracei and R. elegans are listed as extinct on the 2024 IUCN Red List as extinct species. [1] [3]
The black-chinned hummingbird is a hummingbird occupying a broad range of habitats. Its summer range is in the western United States and southwestern Canada. It is migratory, wintering as far south as Mexico. In sunlight, the gorget of iridescent purple feathers bordering its black chin is noticeable.
The spectacled cormorant or Pallas's cormorant is an extinct marine bird of the cormorant family of seabirds that inhabited Bering Island and possibly other places in the Commander Islands and the nearby coast of Kamchatka in the far northeast of Russia. The modern distribution was shown to be a relic of a wider prehistoric distribution in 2018 when fossils of the species from 120,000 years ago were found in Japan. It is the largest species of cormorant known to have existed.
The Puerto Rican emerald, or zumbadorcito de Puerto Rico in Spanish, is species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is endemic to Puerto Rico.
Tyto is a genus of birds consisting of true barn owls, grass owls and masked owls that collectively make up all the species within the subfamily Tytoninae of the barn owl family, Tytonidae.
The extinct Wake Island rail was a flightless rail and the only native land bird on the Pacific atoll of Wake. It was found on the islands of Wake and Wilkes, and Peale, which is separated from the others by a channel of about 100 meters. It was hunted to extinction during World War II.
The Tahiti rail, Tahitian red-billed rail, or Pacific red-billed rail is an extinct species of rail that lived on Tahiti. It was first recorded during James Cook's second voyage around the world (1772–1775), on which it was illustrated by Georg Forster and described by Johann Reinhold Forster. No specimens have been preserved. As well as the documentation by the Forsters, there have been claims that the bird also existed on the nearby island of Mehetia. The Tahiti rail appears to have been closely related to, and perhaps derived from, the buff-banded rail, and has also been historically confused with the Tongan subspecies of that bird.
Gould's emerald or the Caribbean emerald is an extinct species of hummingbird in the family Trochilidae. It was described based on a single specimen taken in 1860; it is of unknown origin, but the northern Bahamas or especially Jamaica are likely sources.
The Cuban emerald is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found in the Bahamas and Cuba.
The Hispaniolan emerald is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is endemic to the island of Hispaniola, which is shared by the Dominican Republic and Haiti.
The blue-headed hummingbird is a species of hummingbird in the "emeralds", tribe Trochilini of subfamily Trochilinae. It is found only on the islands of Dominica and Martinique in the Lesser Antilles.
Storrs Lovejoy Olson was an American biologist and ornithologist who spent his career at the Smithsonian Institution, retiring in 2008. One of the world's foremost avian paleontologists, he was best known for his studies of fossil and subfossil birds on islands such as Ascension, St. Helena and Hawaii. His early higher education took place at Florida State University in 1966, where he obtained a B.A. in biology, and the University of Florida, where he received an M.S. in biology. Olson's doctoral studies took place at Johns Hopkins University, in what was then the School of Hygiene and Public Health. He was married to fellow paleornithologist Helen F. James.
Buteogallus borrasi is a species of giant buteonine hawk which went extinct in the early Holocene. Formerly endemic to Cuba, this huge bird of prey probably fed on Pleistocene megafauna. Little is known about its appearance and ecology, so no common name has been given.
Caracara is a genus in the family Falconidae and the subfamily Polyborinae. It contains one extant species, the crested caracara, and one recently extinct species, the Guadalupe caracara. The crested caracara had in recent years been split into a northern species C. cheriway and a southern species C. plancus, but the South American Classification Committee of the American Ornithological Society has voted to again merge the two, retaining C. plancus as the crested caracara. The taxonomists of the International Ornithologists' Union have also merged them.
Titanohierax gloveralleni, also known as the Bahama eagle, is a large species of extinct hawk from the Late Quaternary of the Caribbean. Remains of the animal have been found on multiple islands in The Bahamas. The animal is known from a handful of bones found across multiple islands, including a tarsometatarsus, partial metacarpal, and nearly complete right ulna. The animal was described based on the former two by Alexander Wetmore in 1937, with all other currently referred material being assigned by Storrs Olson and colleagues in 1982.
The blue-throated hillstar is a hummingbird found only in a small portion of the southwestern Andes in Ecuador. It was discovered in 2017.
Riccordia is a genus of birds in the hummingbird family Trochilidae. They are endemic to the Caribbean.
