We present an aberrant coloured individual of Southern crested caracara (Caracara plancus) from Brazil. The individual has predominantly white plumage with a few dark grey feathers on the body; the legs and face are yellow and the eyes are melanic.
Raone Beltrão-Mendes +3 more
doaj +4 more sources
Bactris gasipaes fruits consumption by Caracara plancus in the Municipality of Brasiléia, southwestern Amazon, Brazil [PDF]
The Southern Caracara (Caracara plancus) is a South American falconid that over the years has been colonizing open areas of the Southwestern Amazon. Regarding food habits, it is considered an opportunistic/generalist species.
Edson Guilherme
doaj +4 more sources
Leucocytozoon toddi and Haemoproteus tinnunculi (Protozoa: Haemosporina) in the Chimango caracara (Milvago chimango) in southern Chile [PDF]
Two species of blood protozoans were identified from blood smears collected from 15 specimens of the Chimango caracara (Milvago chimango) on Isla Grande de Chiloé in southern Chile. These included Leucocytozoon toddi in 13 birds, including all 5 of the 4-
Donald J Forrester +2 more
doaj +5 more sources
Heavy Metal Concentrations in Free-Living Southern Caracaras (Caracara plancus) in the Northeast Region of Brazil [PDF]
Background: With the continuously increasing release of heavy metals in the environment, mostly from anthropogenic sources, there is a need to find ways of evaluating and managing the issuance of these contaminants and correct its damages.
Filho, Emanuel Felipe de Oliveira +8 more
core +5 more sources
Perineuronal satellite neuroglia in the telencephalon of New Caledonian crows and other Passeriformes: evidence of satellite glial cells in the central nervous system of healthy birds? [PDF]
Glia have been implicated in a variety of functions in the central nervous system, including the control of the neuronal extracellular space, synaptic plasticity and transmission, development and adult neurogenesis.
Felipe S. Medina +4 more
doaj +4 more sources
The first record of the ectoparasite fly Carnus hemapterus for the Southern Hemisphere [PDF]
The genus Carnus (family Carnidae, Order Diptera) comprises five species of small-bodied and blood-sucking flies that parasitize nestlings of wild bird species.
Paula Maiten Orozco-Valor +2 more
doaj +2 more sources
Continental scale dietary patterns in a New World raptor using web-sourced photographs. [PDF]
Dietary studies are essential to better understand raptor ecology and resource requirements through time and space, informing species habitat use, interspecific interactions and demographic rates.
Connor T Panter +3 more
doaj +2 more sources
The raptor Chimango Caracara (Milvago chimango) (Aves: Falconiformes) - A new host for Trichomonas gallinae (protozoa: Trichomonadidae) [PDF]
This work describes a specimen of Chimango Caracara (Milvago chimango - Vieillot, 1816), from southern Brazil, as a new natural host for Trichomonas gallinae (Rivolta, 1878).
Mirian Pinheiro Bruni +9 more
doaj +2 more sources
Impact of predator model presentation paradigms on titi monkey alarm sequences. [PDF]
Predator presentation experiments are widely used to investigate animal alarm vocalizations. They usually involve presentations of predator models or playbacks of predator calls, but it remains unclear whether the two paradigms provide similar results, a
Berthet M +3 more
europepmc +2 more sources
Neste trabalho, foram estudados os parâmetros biométricos das vísceras que compõem o sistema respiratório de oito carcarás de ambos os sexos, com pesos corpóreos e idades diferentes. As aves foram eutanasiadas, evisceradas e dissecadas.
Vanessa Sobue Franzo +5 more
doaj +2 more sources

