Sentence examples for birds were grouped from inspiring English sources
Across all immune tests, we did not observe consistent changes in the response of island birds relative to their mainland counterparts, nor did we observe consistent trends even when island birds were grouped by island residence time (Figure 3).
Birds were grouped by their age at release as fledglings (54%) or by their plumage characteristics, into 7 additional age-classes (from 1y old to older than 6y old [31]).
Birds were grouped according to sex and age (first winter or adult).
The species of birds were grouped by their preferred habitats and/or behavior and were divided into waterfowl, songbirds, and birds kept in rescue centers, as well as migratory, partially migratory, or resident species (Table 1).
Prior to the start of the experiment, birds were group-housed in indoor aviaries enriched with water baths, perching ropes and suspended cardboard boxes as cover.
Though traditionally considered part of the order Pelecaniformes, frigate birds are grouped by some taxonomists with anhingas (family Anhingidae), boobies and gannets (family Sulidae), and cormorants (family Phalacrocoracidae) in the order Suliformes on the basis of genetic evidence.
Prof Bird is group leader of the Bird Lab in the Wellcome Trust Centre for Cell Biology, which has led research into the "biological mechanism" behind a rare type of autism known as Rett's syndrome.
Nuclear markers separate DR from JA/CY birds, whereas those populations are grouped in the same clade from a mitochondrial perspective.
Birds with similar song types are grouped together, introduced by Mr. Walton's soothing voice explaining the variety of songs and calls of particular species.
Mammals, birds, and non-avian reptiles are grouped as amniotes, due to shared features including a characteristic egg adapted to terrestrial reproduction.
The families of land birds are further grouped into birds of prey, omnivorous birds, insectivorous birds, and granivorous birds, while the families of water birds are simply listed, with related families side by side.
