Results 11 to 20 of about 1,087 (183)

Phylogenetic analysis of pelecaniformes (aves) based on osteological data: implications for waterbird phylogeny and fossil calibration studies.

open access: goldPLoS ONE, 2010
BackgroundDebate regarding the monophyly and relationships of the avian order Pelecaniformes represents a classic example of discord between morphological and molecular estimates of phylogeny.
Nathan D Smith
doaj   +3 more sources

Notes on breeding sites of Pelecaniformes in Micronesia [PDF]

open access: bronzeBird Conservation International, 1997
SummaryDuring a tourist cruise with M.V. Academik Shokalski from Cairns (Australia) to Chuuk (Micronesia) between 20 March and 3 April 1996 we visited a number of seabird islands in Micronesia described by Nelson (1978). On these and other islands visited, we asked local people for further information on breeding seabirds. After the cruise H.M. visited
J. de Korte, Hans Meltofte
openalex   +2 more sources

New nesting locality of the Agami Heron, Agamia agami (Pelecaniformes: Ardeidae) in Ecuador

open access: diamondBiota Colombiana, 2019
The Agami heron, Agamia agami, is a rare species of the Neotropics, and even though its distribution is large, little is known about the sites where it congregates to nest. We report a new nesting site, which is the eighth reported site in the Neotropics,
Flor M. Ortiz-Galarza   +1 more
doaj   +4 more sources

Pathology and morphometry of Hystrichis acanthocephalicus (Nematoda) from Phimosus infuscatus (Pelecaniformes) in southern Brazil [PDF]

open access: goldRevista Brasileira de Parasitologia Veterinária, 2017
Species of Hystrichis are parasite nematodes of the digestive tract of aquatic birds in South America, Europe and Asia. In Brazil, Hystrichis acanthocephalicus has been reported in Phimosus infuscatus.
Simone Scheer   +4 more
doaj   +2 more sources

Primer registro de aves fósiles (Pelecaniformes: Pelecanidae y un probable Odontopterygiformes: Pelagornithidae) para el Mioceno Superior de Costa Rica

open access: greenRevista Geológica de América Central, 2013
Se registran por primera vez para Costa Rica restos de dos aves marinas fósiles (Aves: Pelecaniformes y Odontopterygiformes) procedentes de la Formación Curré de edad Mioceno Superior.
Ana L. Valerio, César A. Laurito
doaj   +1 more source

A Bird’s-Eye View of Chromosomic Evolution in the Class Aves [PDF]

open access: yesCells
Birds (Aves) are the most speciose of terrestrial vertebrates, displaying Class-specific characteristics yet incredible external phenotypic diversity. Critical to agriculture and as model organisms, birds have adapted to many habitats.
Rebecca E. O’Connor   +3 more
doaj   +2 more sources

Ocorrência de piolhos mastigadores (Phthiraptera) em curicaca (Theristicus caudatus) Pelecaniformes: Threskiornithidae no norte do estado do Paraná

open access: diamondMedicina Veterinária
O ectoparasitismo por Phthiraptera em aves é permanente e sofre influência de fatores como temperatura, umidade, suscetibilidade e comportamento.
Thiago dos Santos da Silva   +4 more
doaj   +5 more sources

Prevalence and Genetic Diversity of Haemoproteus and Leucocytozoon in Raptors and Other Captive Birds at the National Zoological Garden in South Africa. [PDF]

open access: yesIntegr Zool
Captive birds at the National Zoological Garden in South Africa harbor diverse haemosporidian parasite species and lineages. This might compromise conservation efforts of threatened species. ABSTRACT Avian haemosporidian infections have been associated with disease outbreaks in zoos and rehabilitation centers globally. This study aimed to determine the
Gaorekwe RM   +3 more
europepmc   +2 more sources

Характеристика отрядов Podicipediformes, Pelecaniformes columbiformes, Coraciiformes фауны Республики Молдова

open access: goldActual problems of zoology and parasitology: achievements and prospects, 2018
Ecological fields of territorial units are populated by closely related species of birds by complimentary conditions. Their composition is determined by the form and power of contact of their areas with the territory, the stability of the links between them, the variability of the habitat, ecological features, adaptability and species strategy.
Сергей Журминский   +1 more
openalex   +2 more sources

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