Alpine accentor Alpine accentor The alpine accentor ("Prunella collaris") is a small passerine bird. The word "accentor" is from post-classical Latin and means a person who sings with another. The genus name "Prunella" is from the German "Braunelle", "dunnock", a diminutive of "braun", "brown", and the specific "collaris" is from Latin "collum", "neck". This species, along with the Altai accentor is sometimes separated from the other accentors, into the genus "Laiscopus". This is a robin-sized bird at 15-17.5 cm in length, slightly larger than its relative, the dunnock. It has a streaked brown back, somewhat resembling a house sparrow, but adults have
Common ostrich other members of Palaeognathae and thus the flighted tinamous are the sister group to the extinct moa. It is distinctive in its appearance, with a long neck and legs, and can run for a long time at a speed of or even up to about , the fastest land speed of any bird. The common ostrich is the largest living species of bird and lays the largest eggs of any living bird (extinct elephant birds of Madagascar and the giant moa of New Zealand laid larger eggs). The common ostrich's diet consists mainly of plant matter, though it also eats