Results 61 to 70 of about 7,640 (283)

Characterization of chromosome structures of Falconinae (Falconidae, Falconiformes, Aves) by chromosome painting and delineation of chromosome rearrangements during their differentiation [PDF]

open access: yes, 2008
Karyotypes of most bird species are characterized by around 2n = 80 chromosomes, comprising 7–10 pairs of large- and medium-sized macrochromosomes including sex chromosomes and numerous morphologically indistinguishable microchromosomes.
GRIFFIN Darren K   +6 more
core   +2 more sources

The ecological role of Accipitridae vultures in terrestrial landscapes of Azerbaijan [PDF]

open access: yesUkrainian Journal of Ecology, 2020
Scavengers can provide ecosystem services to people by removal of dead animals that could become sources of disease. From such point of view, it seems appropriate to evaluate these benefits in Azerbaijan in quantitative terms. To this end, in 2013, an extensive monitoring was organized in the Turyanchay Reserve, which covers six regions and neighboring
T. Karimov, A. Matsyura
openaire   +2 more sources

Assessing avian richness and diversity in different regions of oil palm plantation in Selangor, Malaysia [PDF]

open access: yes, 2015
Malaysia is characterized by a variety of habitats such as forests, clearings, thickets, and cropland that attract various species of birds. This study examined the bird community in terms of richness and diversity at oil palm plantations habitat.
Amir, Aainaa   +2 more
core   +1 more source

Wild birds as carriers of antimicrobial-resistant and ESBL-producing Enterobacteriaceae [PDF]

open access: yes, 2016
open6noopenDotto, G.; Menandro, M.L.; Mondin, A.; Martini, M.; Tonellato, F.R.; Pasotto, D.Dotto, Giorgia; Menandro, MARIA LUISA; Mondin, Alessandra; Martini, Marco; Tonellato, F.
Dotto, Giorgia   +5 more
core   +1 more source

Keanekaragaman Jenis Satwaliar di Kawasan Perkebunan Kelapa Sawit dan Status Perlindungannya di Areal Estate Sungai Terik PT. Nusa Lestari, Seruyan Paser Kalimantan Timur [PDF]

open access: yes, 2013
Regions Oil Palm Estate Management Unit Sungai Terik, Nusa Lestari Ltd is largely secondary forest. Land cover conditions have degraded because of existing timber companies operating in this region from 1990.
Arief, H. (Harnios)
core   +3 more sources

Frugivory in Raptors: New Observations from Australia and a Global Review

open access: yesBirds, 2021
The diets of raptors are some of the best studied and well-known of all bird groups. Raptors are typically carnivores, hunting and feeding on vertebrates and, for some species, invertebrates. Here, we described instances of the Black Kite (Milvus migrans)
James A. Fitzsimons, Jack Leighton
doaj   +1 more source

New documented records for the Black-collared Hawk (Busarellus nigricollis, Latham 1790) (Aves: Accipitridae) in Rio Grande do Sul state

open access: yesActa Biológica Catarinense, 2023
The Black-collared Hawk (Busarellus nigricollis) is a buteonine with a wide distribution through neotropical region. It has preference for aquatic habitats, where it feeds on fishes. It has few records for southern Brazil. In Rio Grande do Sul (RS) State,
D. Meller   +2 more
semanticscholar   +1 more source

MORPHO-HISTOLOGICAL STUDY OF THE PROVENTRICULUS OF EURASIAN MARSH HARRIER CIRCUS AERUGINOSUS (LINNAEUS, (1766 (AVES, ACCIPITRIFORMES, ACCIPITRIDAE)

open access: yesBulletin of The Iraq Natural History Museum
The study aimed to describe the anatomical, histological, and histochemical structure of the proventriculuc of adult male Eurasian marsh harrier, Circus aeruginosus (Linnaeus, 1766) (Accipitriformes, Accipitridae). Six birds were used for this study. The
B. Mutlak, Sadama Said Faraj
semanticscholar   +1 more source

A noteworthy new record of Gray-bellied Hawk, Accipiter poliogaster (Temmink, 1824) (Accipitiformes, Accipitridae), in the lowlands of northern Costa Rica

open access: yesCheck List, 2023
Gray-bellied Hawk, Accipiter poliogaster (Temmink, 1824), is a rare forest dwelling raptor in South America. This hawk migrates from Paraguay and northern Argentina (Misiones) in the south to the equator for the winter.
Elián Villalobos Alvarado, J. M. Mora
semanticscholar   +1 more source

Estimating egg mass-body mass relationships in birds [PDF]

open access: yes, 2020
The mass of a bird’s egg is a critical attribute of the species’ life history and represents a fundamental component of reproductive effort. Indeed, the tradeoff between the number of eggs in a clutch and clutch mass lies at the heart of understanding ...
Balasubramaniam, Priya   +1 more
core  

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