A birch is a thin-leaved deciduous hardwood tree of the genus Betula (/ ˈbɛtjʊlə /), [2] in the family Betulaceae, which also includes alders, hazels, and hornbeams. It is closely related to the beech - oak family Fagaceae. The genus Betula contains 30 to 60 known taxa of which 11 are on the IUCN 2011 Red List of Threatened Species.

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Sep 20, 2022 · Birdh producerar den redaktionella plattformen Privata pengar, en konsumentjournalistisk sajt om privatekonomi för Sevenday Bank. Ett fokuserat och genomtänkt arbete har över tid gett stor effekt. Inspiration, kunskap och lekfullhet.

Betula papyrifera (paper birch, [5] also known as (American) white birch[5] and canoe birch[5]) is a short-lived species of birch native to northern North America. Paper birch is named after the tree's thin white bark, which often peels in paper -like layers from the trunk.

Sep 9, 2016 · Learn to express yourself like an ornithologist with this expanded glossary of terms. A pair of air sacs in the abdominal region of birds that may have connections into the bones of the pelvis and femur; their position within the abdominal cavity may shift during the day to maintain the bird’s streamlined shape during digestion and egg laying.

Apr 5, 2025 · Birch, genus of about 40 species of short-lived ornamental and timber trees and shrubs of the family Betulaceae, distributed throughout cool regions of the Northern Hemisphere.

Browse North American birds by shape—helpful if you don’t know exactly which type of bird you’ve seen.

Birds can be jewel thieves, fish hunters, dancers and more! Subscribe: http://bit.ly/BBCEarthSub Watch more: Planet Earth http://bit.ly/PlanetEarthPlaylist B...

A chough (/ tʃʌf / CHUF) is any of two species of passerine birds that constitute the genus Pyrrhocorax of the Corvidae (crow) family. These are the red-billed chough (Pyrrhocorax pyrrhocorax) and the Alpine chough (or yellow-billed chough) (Pyrrhocorax graculus).

Oct 11, 2023 · We call these hybrids “break‐induced RNA–DNA hybrids” (BIRDHs) to differentiate them from sporadic R‐loops consisting of DNA–RNA hybrids and a displaced single‐strand DNA occurring co‐transcriptionally in intact DNA.