An Extinct Eagle (Aves: Accipitridae) from the Quaternary of Hispaniola

Steadman, David W.; Milan, Juan N. Almonte; Mychajliw, Alexis M.

doi:10.3356/jrr-18-769

Cited by 8 publications

(10 citation statements)

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“…Illustrations, descriptions and measurements therein indicate instead that the material corresponds to two different-sized accipitrids. The largest of the two incomplete tibiotarsi reported (huge size and supratendinal bridge more horizontal, see Steadman et al 2019: Fig. 1B), agrees with, and was tentatively identified as Gigantohierax sp.…”

Section: Discussionsupporting

confidence: 74%

“…The holotype tarsometatarsus (MCZ 2257) of Titanohierax gloveralleni Wetmore, 1937, on loan from the Museum of Comparative Zoology, Harvard Univ., MA, was also examined. Photographs, measurements and descriptions published by Emslie & Czaplewski (1999) and Steadman et al (2019) were used for comparisons with 'Amplibuteo' concordatus Emslie & Czaplewski, 1999, and to evaluate fossil specimens of accipitrids recorded from Hispaniola, respectively. Osteological terminology is modified from Howard (1929) and Baumel & Witmer (1993).…”

Section: Discussionmentioning

confidence: 99%

“…This distribution suggests that some large raptors formerly known only from Cuba may also be found on Hispaniola. Recently, Steadman et al (2019) reported 24 fossil bones (tibiotarsus, tarsometatarsus, hallux, pedal phalanges) as Accipitridae genus and species indeterminate, which they considered close to genus Geranoaetus, from Quaternary cave deposits on Hispaniola (= Haiti and the Dominican Republic), and representing, according to these authors, a single taxon. Illustrations, descriptions and measurements therein indicate instead that the material corresponds to two different-sized accipitrids.…”

Section: Discussionmentioning

confidence: 99%

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2021

Bulletin of the British Ornithologists’ Club

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Bill Bourne died peacefully at Keith, in Scotland, on 31 May 2021, aged 91. Bill wrote so much: papers in this Bulletin are noted below, and are illustrative of the breadth and depth of his ornithological interests and knowledge. Much has been written about him over his working life as a medic, in travel, in research and writing. Bill featured as the 12th in the series 'Personalities' in the April 1978 issue of British Birds. The authors' perception of Bill, a legend of energy, knowledge and eccentricity were shown to stand the test of time. He joined the BOC in 1956. When I first met him in 1969 at the Autumn Scientific meeting of the British Ornithologists' Union he encouraged me to do so too, and he proved to be a great friend as I forged my early contacts in the world of exploration, museums, research and societies.Bill's energy and resourcefulness are well illustrated in his 1951 solo expedition to the Cape Verdes, as a result of which he contributed to the Bannermans' History of the birds of the Cape Verde Islands. His early enthusiasm for birds and their nests was imparted by three maiden aunts. At age seven his father introduced him to egg collecting, which he pursued for ten years, then saw the error, destroyed his collection, and joined the British Trust for Ornithology. He spent most of the war in Bermuda enjoying tropicbirds and terns, and learning about boats and seabirds. From this time his particular interest was the Tubinares. David Bannerman recounts how at the hottest time of year, with little money and no transport of any kind, Bill relied entirely on his wits in his solo Cape Verde endeavour. It says much for his stamina and enthusiasm that he walked across all of São Tiago, over the roughest country, while his journeys between the islands were perforce made in local schooners. With an interest more in ecology than in specimen collecting just one was taken, an example of a Purple Heron Ardea purpurea, from a colony he discovered on São Tiago. He was struck by the paleness of their plumage and the specimen he secured was sent to Paris. After some years, a new race was named by the Abbé René de Naurois in Bill's honour, A. p. bournei.Bill read medicine and zoology at Cambridge, and completed his training at St Bartholomew's Hospital, London. Service in the RAF took him to Malta, Jordan and the Middle East at the time of the Suez crisis, then Cyprus, where he was co-founder and first recorder of the Cyprus Ornithological Society. His passionate interest in islands and seabirds came to the fore when, in 1961, he proposed to found the Seabird Group, which eventually formed in 1965, a timely formation ahead of the Torrey Canyon disaster in March 1967. He became its first secretary, whilst in the role of adviser to the Royal Naval Bird Watching Society (RNBWS) he codified the collection of avian data from ships at sea (Sea Swallow 13: 9-16), including ocean weather ships in the eastern Atlantic at a time when reports were pouring in. During this period, when I first met Bill, he worked at Watford Gen...

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Section: Discussionsupporting

confidence: 74%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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2021

Bulletin of the British Ornithologists’ Club

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“…The abundance of reptiles and mammals derived from the endemic regional 'megafauna' in the West Indies provided a series of prey (see Steadman et al 2019), potentially partitioned by raptors based on their respective sizes (for a comparable pattern in large Tytonidae from the West Indies, see Suárez & Olson 2015). The evolution in the Antillean subregion of probably pre-Quaternary, highly specialised raptorial lineages (see Suárez & Olson 2009a), which became extinct in the Holocene apparently linked to the extinction of the 'megafauna', corresponds with other non-raptorial, ancient bird lineages also identified on these islands (cf.…”

Section: Discussionmentioning

confidence: 99%

“…from Hispaniola (Olson & Hilgartner 1982), and Amplibuteo woodwardi from Cuba (Suárez 2004), and describe it as a new species shared by the two largest islands of the Greater Antilles. Bull Emslie & Czaplewski (1999) and Steadman et al (2019) were used for comparisons with 'Amplibuteo' concordatus Emslie & Czaplewski, 1999, and to evaluate fossil specimens of accipitrids recorded from Hispaniola, respectively. Osteological terminology is modified from Howard (1929) and Baumel & Witmer (1993).…”

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confidence: 99%

A new fossil raptor (Accipitridae: Buteogallus) from Quaternary cave deposits in Cuba and Hispaniola, West Indies

Suárez

Olson

2021

Bulletin of the British Ornithologists’ Club

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Taphonomy of harpy eagle predation on primates and other mammals

Garbino,

Semedo,

Miranda

2023

American J Primatol

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The goal of this study is to provide a taphonomic analysis of bone fragments found in harpy eagle nests in the Brazilian Amazonia, utilizing the largest sample of prey remains collected to date. Harpy eagle kill samples were collected from nine nests, between June 2016 and December 2020 in Mato Grosso, Brazil. We identified the specimens, calculated the number of identified specimens (NISP) and minimum number of individuals (MNI). These metrics were used to estimate bone survivability and fragmentation. A total of 1661 specimens (NISP) were collected, representing a minimum number of 234 individuals (MNI). We identified at least nine species of primates, which represent 63.8% of the individuals in the kill sample. Harpy eagles preyed mostly on the medium‐sized capuchin and bearded saki monkeys (28.2% of the MNI), and two‐toed sloths (17.7% of the MNI). The large woolly monkeys also represented a significant portion of the sample (11.5% of the MNI). Three distinct patterns of bone survivability were found, one characterizing two‐toed sloths, another characterizing medium‐sized monkeys, and a third typical of woolly monkeys. We conclude that harpy eagle predation leaves an identifiable signature on the prey with a bone survivability pattern specific to each taxon. The intertaxon variations observed in the taphonomic signatures of harpy eagle kills should be taken into account when evaluating the potential influence of these raptors as accumulators of bone material in both paleontological and neontological assemblages.

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An Extinct Eagle (Aves: Accipitridae) from the Quaternary of Hispaniola

Cited by 8 publications

References 34 publications

Full Issue

Full Issue

A new fossil raptor (Accipitridae: Buteogallus) from Quaternary cave deposits in Cuba and Hispaniola, West Indies

Taphonomy of harpy eagle predation on primates and other mammals

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