Results 71 to 80 of about 1,046 (187)

Primer registro del halcón pecho naranja (Falco deiroleucus) para el departamento de Tarija, Bolivia

open access: yesActa Zoológica Lilloana
El halcón pecho naranja (Falco deiroleucus) es una rapaz neotropical muy rara, pero con una amplia distribución desde México hasta Argentina. Sin embargo, su identificación es complicada debido a su similitud con otras especies, como Falco rufigularis ...
Nicole Adriana Avalos Saavedra   +5 more
doaj   +1 more source

Effects of Semi‐Natural Habitats on Bird Occupancy in Different Intensity Agriculture: A Multi‐Species Approach

open access: yesDiversity and Distributions, Volume 31, Issue 9, September 2025.
ABSTRACT Aim Agriculture is a primary factor underlying worldwide declines in biodiversity. Incorporating semi‐natural habitat features within agricultural landscapes is considered an effective strategy for mitigating the biodiversity loss associated with agricultural intensification.
Wenyu Xu   +4 more
wiley   +1 more source

A stem falconid bird from the Lower Eocene of Antarctica and the early southern radiation of the falcons [PDF]

open access: yes, 2020
Antarctoboenus carlinii nov. gen. nov. sp. is a large-sized falconiform bird from the La Meseta Formation (Lower Eocene) at Seymour (Marambio) Island, West Antarctica.
Reguero, Marcelo Alfredo   +2 more
core  

Overwintering and Resident Birds in Qatar: Explorations With DNA Barcoding

open access: yesEcology and Evolution, Volume 15, Issue 7, July 2025.
We obtained DNA barcodes for 115 birds (34 species, 12 orders) in Qatar, a country with no previous barcode sequence data for wild birds. We provide insights on locally breeding species and overwintering migrants. ABSTRACT Genetic research is unevenly distributed across the globe, with most research done in temperate zones.
Emily Rebecca Alison Cramer   +2 more
wiley   +1 more source

Aberraciones cromáticas en aves de la colección ornitológica del Museo Argentino de Ciencias Naturales “Bernardino Rivadavia” Chromatic aberrations in birds of the ornithological collection of the Museo Argentino de Ciencias Naturales “Bernardino Rivadavia”

open access: yesRevista del Museo Argentino de Ciencias Naturales, 2011
En el presente trabajo se determinan las aberraciones cromáticas que afectan el plumaje de las aves en la colección ornitológica del Museo Argentino de Ciencias Naturales de Buenos Aires.
Matías Ricardo Urcola
doaj  

Osteologia craniana de Micrastur semitorquatus Vieillot, 1817 (Falconiformes: Falconidae) [PDF]

open access: yes, 2012
Micrastur semitorquatus, popularly known as Collared Forest-Falcon is an inhabitant of the rainforests of the Neotropical Region. Studies on the cranial osteology are scarce in the literature.
Donatelli, Reginaldo José   +5 more
core   +1 more source

Ethological observations of the Bat falcon Falco rufigularis in Ecuador (Falconiformes: Falconidae)

open access: yesACI Avances en Ciencias e Ingenierías, 2012
We present the monitoring information of two pairs of Bat Falcon (Falco rufigularis), one in a locality of Ecuadorian Amazon (in the Yasuní National Park, from May to June 2012) and in a locality in western Ecuador (in Milagro city, from October ...
Héctor F. Cadena-Ortiz   +3 more
doaj   +1 more source

DNA fingerprinting in Falconidae.

open access: yesVeterinarni medicina, 1994
This paper describes the use of the oligonucleotide probe (GTG)5 to reveal high polymorphic DNA regions in falcons (Falco peregrinus, F. rusticolus, F. cherrug and their interspecies hybrids). Ten microliters of the blood samples were immobilized, lysed and digested in low-melting point agarose.
I, Rychlík   +4 more
openaire   +1 more source

As rapineiras neotropicais na Europa dos séculos XVI e XVII (Aves, Falconidae, Accipitridae)

open access: yesArquivos de Zoologia, 2022
O intenso fluxo de animais do Neotrópico observado na Europa durante o início da Idade Moderna incluiria demandas muito singulares vindas de determinados atores sociais.
Dante Martins Teixeira
doaj  

Nutritional osteodystrophy in South American birds of prey [PDF]

open access: yesPesquisa Veterinária Brasileira
: Nutritional osteodystrophy is a metabolic bone disease characterized by increased bone resorption and replacement by fibrous connective tissue, resulting from a diet with excess phosphorus or deficient in calcium or vitamin D.
Luiz G.S. Oliveira   +7 more
doaj   +1 more source

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