Results 11 to 20 of about 178 (103)
Reproduction within taxon-pairs.
, 2013 Mean litter or clutch size (± SE) for taxon-pairs with a minimum of three independent observations per taxon. For each taxon-pair, bars with different letters are significantly different (shaded bars = threatened and endangered subspecies; white bars ...
Laura A. Brandt (415014) +6 more
core +1 more source
Nesting association of raptors and Buff-necked Ibis in the Argentinean Patagonia
, 2012 We observed six species of raptors: Black-chested Buzzard-eagle (Geranoaetus melanoleucus), Cinereous Harrier (Circus cinereus), Red-backed Hawk (Buteo polyosoma), Chimango Caracara (Milvago chimango), Crested Caracara (Polyborus plancus), and Peregrine ...
Travaini, Alejandro +4 more
core +1 more source
Contaminants in the southern tip of South America: Analysis of organochlorine compounds in feathers of avian scavengers from Argentinean Patagonia [PDF]
, 2015 The aim of this study was to assess the exposure to organochlorine compounds (OC) in 91 primary wing feathers of avian scavengers, Turkey vulture (Cathartes aura), American black vulture (Coragyps atratus) and Southern crested caracaras (Polyborus ...
Martínez López, Emma +5 more
core +1 more source
Self-Injurious Behavior in a Captive, Malimprinted Coragyps atratus
, 2021 Lurch is a Coragyps atratus who was raised in captivity and imprinted on humans. He was an education animal at the Silver Springs Zoo until its closure.
Swartout, Brittany
core +1 more source
Roadside raptor surveys in central Argentina [PDF]
, 1995 Durante oct 1992 se realizaron conteos en carrtera de rapces a lo largo de 2230 km., en una región central de la Argentina. Fueron detectadas 16 (80%) de las 20 especies presentes (incluyendo jotes9. La especie más común fué el chimango Milvago chimango (
Travaini, Alejandro +4 more
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Evaluación del rol de los jabalíes y roedores en el ciclo silvestre de Trichinella spp. en el noreste de Patagonia [PDF]
, 2021 Fil: Winter, Marina. Universidad Nacional de Río Negro. Centro de Investigaciones y Transferencia de Río Negro. Río Negro, Argentina.El género Trichinella está constituido por 9 especies y 4 genotipos, morfológicamente indistinguibles y potencialmente ...
Winter, Marina
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Plumaje juvenil Polyborus plancus
, 2016 FAUNACarracoAnimaliaChordataAvesFalconiformesFalconidaePolyborusplancu
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Plumaje adulto Polyborus plancus
, 2016 FAUNACarracoAnimaliaChordataAvesFalconiformesFalconidaePolyborusplancu
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Use of European hare (Lepus europaeus) carcasses by an avian scavenging assemblage in Patagonia
, 1998 We studied the use of European hare (Lepus europaeus) carcasses by avian scavengers in Argentinean Patagonia. A total of 16 hare carcasses were placed in locations that could be observed without disturbing birds feeding on them. Six avian species fed on
Travaini, Alejandro +13 more
core +1 more source
, 2018 A tropical falcon version of a vulture, the Crested Caracara reaches the United States only in Arizona, Texas, and ...
Danaher, Mark, USFWS
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