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A rookery is a colony breeding rooks, and more broadly a colony of several types of breeding animals, generally gregarious [1] birds. [2] Coming from the nesting habits of rooks, the term is used for corvids and the breeding grounds [3] of colony-forming seabirds, marine mammals (true seals or sea lions), and even some turtles.
Herd of American bison at Genesee Park. Sociality is the degree to which individuals in an animal population tend to associate in social groups (gregariousness) and form cooperative societies.
These animals are known as gregarious animals. The term herd is generally applied to mammals, and most particularly to the grazing ungulates that classically display this behaviour. Different terms are used for similar groupings in other species; in the case of birds, for example, the word is flocking , but flock may also be used for mammals ...
Some are gregarious, while others need a little time to warm up. Annabelle is clearly one of the latter ones. In the video shared by Olivia Boblet , it's clear the pup doesn't have a mean bone in ...
The desert locust is a species of orthopteran in the family Acrididae, subfamily Cyrtacanthacridinae. [2] There are two subspecies, one called Schistocerca gregaria gregaria, the better known and of huge economic importance, located north of the equator, and the other, Schistocerca gregaria flaviventris, [9] [10] which has a smaller range in south-west Africa and is of less economic importance ...
It is a large, gregarious, black-feathered bird, distinguished from similar species by the whitish featherless area on the face. Rooks nest collectively in the tops of tall trees, often close to farms or villages; the groups of nests are known as rookeries .
The formation of initial bands of gregarious hoppers is called an "outbreak"; when these join into larger groups, the event is known as an "upsurge". Continuing agglomerations of upsurges on a regional level originating from a number of entirely separate breeding locations are known as "plagues". [16]
The gregarious adult is brownish with yellow, the latter colour becoming more intense and extensive on maturation. The solitary adult is brown with varying extent of green colour depending on the colour of the vegetation. Gregarious adults vary in size between 40 and 60 mm according to the sex; they are smaller than the solitary adults.