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| Lear's macaw | |
|---|---|
| Name | Lear's macaw |
| Status | EN |
| Genus | Anodorhynchus |
| Species | leari |
| Authority | Bonaparte, 1856 |
Lear's macaw is a large, blue parrot species endemic to northeastern Brazil, known for its vivid plumage and restricted range. It was named after the artist Edward Lear and described during the 19th century amid growing natural history exploration linked to figures such as Charles Darwin and Alfred Russel Wallace. Conservation of the species has engaged institutions like the World Wide Fund for Nature and governments including the Brazilian Institute of Environment and Renewable Natural Resources.
Lear's macaw was formally described by Charles Lucien Bonaparte in 1856 and placed in the genus Anodorhynchus, alongside the Hyacinth macaw and the Glaucous macaw. Its taxonomic history intersects with 19th‑century comparative anatomy work by John Gould and later revisions by ornithologists affiliated with the American Museum of Natural History and the Royal Society. Molecular phylogenetic studies have involved laboratories at institutions such as the Smithsonian Institution and the Natural History Museum, London, referencing methodologies established by researchers like Allan J. Baker and Edward C. Dickinson.
Lear's macaw is characterized by cobalt‑blue plumage, a strong black beak, and a yellow facial patch near the eye, features comparable in attention to descriptions by John James Audubon and in field guides produced by editors at the Cornell Lab of Ornithology. Adults measure roughly 70–75 cm in length, a size assessed in surveys coordinated by BirdLife International and reported in journals like Ibis and the Journal of Avian Biology. Morphological comparisons with the Hyacinth macaw and the extinct Glaucous macaw have been discussed in monographs held by the Linnean Society of London.
The species is confined to a small range in the Brazilian states of Bahia and Pernambuco, predominantly in the Caatinga biome and on sandstone cliffs of the Tucano do Raso and Canudos regions. Fieldwork by teams from the Sociedade de Pesquisa em Vida Selvagem e Educação Ambiental and the Royal Society for the Protection of Birds has documented roosting and nesting sites in canyon systems near communities such as Monte Santo and Jeremoabo. Conservation planning has involved state governments of Bahia (state) and national agencies including the Brazilian Institute of Environment and Renewable Natural Resources.
Lear's macaw exhibits social behavior forming small flocks, with daytime foraging flights and communal roosting similar to patterns recorded for other macaws by researchers at the Max Planck Institute for Ornithology and the University of Cambridge. Seasonal movements relate to fruiting cycles studied in collaboration with ecologists from the University of São Paulo and the Federal University of Bahia. Predator‑prey interactions have been observed involving raptors documented by the Brazilian Ornithological Records Committee and behavioral notes have appeared in proceedings of the Sociedade Brasileira de Ornitologia.
The macaw's diet is specialized on the nuts and seeds of native vegetation, notably the fruits of the Syagrus coronata (licuri palm), with foraging ecology compared in publications from the Royal Botanic Gardens, Kew and the Instituto Agronômico de Campinas. Feeding ecology studies have been conducted by teams from the University of Oxford and the University of Cambridge under grants from organizations such as the Conservation International and the BirdLife International. Seasonal reliance on particular palms links the species' fate to land‑use changes documented by researchers at the Institute of Applied Economic Research (Brazil).
Breeding biology includes nesting in cavities and sandstone crevices, with clutch sizes and fledging periods reported in field studies led by scientists affiliated with the Royal Society and the Wildlife Conservation Society. Longitudinal monitoring by the Centro Nacional de Pesquisa e Conservação de Primatas e aves (CENAP) and partnerships with the World Parrot Trust have detailed age at first breeding, parental care, and survivorship statistics following protocols used by demographers at the University of Michigan and the US Fish and Wildlife Service.
Primary threats include habitat loss from agricultural expansion, illegal capture for the pet trade, and reduced availability of key food plants, concerns raised in reports by the IUCN and analyzed in policy forums involving the Convention on International Trade in Endangered Species of Wild Fauna and Flora. Recovery actions have involved protected area creation, community‑based programs with support from the UNEP and captive‑breeding and reintroduction efforts coordinated by the Zoo Leipzig, the São Paulo Zoo, and networks including the European Association of Zoos and Aquaria. Legal instruments in Brazil, enforcement by the Federal Police (Brazil), and international cooperation under CITES have been central to reducing trade pressure.
The species has cultural resonance in local communities of Bahia (state) and figures in outreach by NGOs such as the Sociedade de Pesquisa em Vida Selvagem e Educação Ambiental and the World Wide Fund for Nature. The rediscovery and conservation success story of Lear's macaw has been chronicled in media by outlets including the New York Times, BBC News, and scientific coverage in journals like Science and Nature Ecology & Evolution. Historical museum specimens reside in institutions such as the Natural History Museum, London, the Muséum national d'Histoire naturelle (Paris), and the Smithsonian Institution National Museum of Natural History, informing ongoing research by collaborators at universities like the University of São Paulo and the Federal University of Pernambuco.
Category:Anodorhynchus Category:Endemic fauna of Brazil