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Communal roosting has been observed in three species (and may occur in more), with as many as 20 birds sharing a roosting hole in order to conserve warmth. [8] Treecreepers forage on the trunks of large trees. They move up the trunk in a progression of small hops. They fly to the bottom of a tree, then climb in a spiral fashion searching for prey.
The tree swallow (Tachycineta bicolor) is a migratory bird of the family Hirundinidae. Found in the Americas, the tree swallow was first described in 1807 by French ornithologist Louis Vieillot as Hirundo bicolor. It has since been moved to its current genus, Tachycineta, within which its phylogenetic placement is debated.
A Eurasian treecreeper climbing up a tree, leaning on its tail. Similar in appearance, all treecreepers are small birds with streaked and spotted brown upperparts, rufous rumps and whitish underparts. They have long decurved bills, and long rigid tail feathers that provide support as they creep up tree trunks looking for insects. [2]
The Eurasian tree sparrow (Passer montanus) is a passerine bird in the sparrow family with a rich chestnut crown and nape and a black patch on each pure white cheek. The sexes are similarly plumaged, and young birds are a duller version of the adult.
It builds its shallow nest in trees and bushes and usually lays 3-5 eggs. [15] [16] The rufous treepie has a wide repertoire of calls, but a bob-o-link or ko-tree call is most common. [2] A local name for this bird kotri is derived from the typical call while other names include Handi Chancha and taka chor (="coin thief"). [13] [17]
The breeding season lasts from June into January, the birds lay 2-3 eggs per clutch with an incubation time of 17 days. Nests are built by both male and female with soft materials like grass and feathers. The treecreeper will often get helper birds to feed chicks or contribute to the nest. [5] [6]
In this list of birds by common name 11,278 extant and recently extinct (since 1500) bird species are recognised. [1] Species marked with a "†" are extinct. Contents
The tree martin (Petrochelidon nigricans) is a member of the swallow family of passerine birds.It breeds in Australia, mostly south of latitude 20°S and on Timor island. It is migratory, wintering through most of Australia, New Guinea, Indonesia east of the Wallace Line and the Solomon Islands.