Results 121 to 130 of about 7,508 (202)

Worldwide Phylogenetic Relationship of Avian Poxviruses [PDF]

open access: yes, 2013
Blanco, JM   +19 more
core   +1 more source

Guía y modelo para la sistematización de la bibliografía ornitológica argentina y neotropical. II [PDF]

open access: yes, 1983
Guide and Pattern for the Classification ot Argentine and Neotropical Otnithological Bibliography. In this paper, 79 works related to Ornithology, which were published in Neotropica (Notas Zoológicas Americanas, Sociedad Zoológica del Plata, La Plata ...
Daciuk, Juan, Heber, Eduardo A.
core   +2 more sources

Cambios estacionales en los ensambles de aves en un ecotono bosque-estepa del norte de Patagonia [PDF]

open access: yes, 2018
Estudiamos las variaciones estacionales en una comunidad de aves que habitan el ecotono bosque-estepa del norte de Patagonia. Analizamos los cambios en la riqueza de especies, la composición de especies y la abundancia total, y a nivel de las especies ...
Cueto, Víctor   +1 more
core  

TRANSFERRIN VARIATION IN COLUMBIDAE [PDF]

open access: yesGenetics, 1962
J O, Mueller, O, Smithies, M R, Irwin
openaire   +2 more sources

Birds, reptiles and mammals sighted within and surrounding the municipality of Aquidauana, state of Mato Grosso do Sul, Brazil

open access: yesActa Scientiarum: Biological Sciences
The study aimed to assess species richness and diversity in Aquidauana, State of Mato Grosso do Sul, using six observation points over 12 months. A total of 2,591 individuals among reptiles, birds, and mammals, covering 29 orders and 43 families, were ...
Walquíria Elias Lima   +3 more
doaj   +1 more source

Aspects of genetic and morphological variation in selected new world land birds [PDF]

open access: yes, 2000
Thesis (M.S.) University of Alaska Fairbanks, 2000The objective of this thesis is to examine variation in certain New World land birds, focusing on morphological difference at the intraspecific level and genetic differences at the intra- and ...
Weicker, Jacqueline Joyce
core  

Highly Virulent Newcastle Disease Virus in Eurasian Collared Doves in the North of Portugal

open access: yesAnimals
Newcastle disease (ND), caused by avian orthoavulavirus 1 (AOAV-1), poses a global threat to poultry and wild birds. In early 2025, an outbreak of pigeon paramyxovirus type 1 (PPMV-1, genotype VI AOAV-1) was detected in a wildlife rehabilitation centre ...
Guilherme Moreira   +8 more
doaj   +1 more source

Notas sobre aves de la Amazonia y Orinoquia Colombianas Notas sobre aves de la Amazonia y Orinoquia Colombianas

open access: yesCaldasia, 1960
In this paper a report is given concerning the distribution of some birds in the Colombian Amazonian and Orinoco drainages; also, some previous identifications are amended having at the present time more and better material recently collected and better ...
Borrero H. José Ignacio
doaj  

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