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
Bird strike Bird strike A bird strike—sometimes called birdstrike, bird ingestion (for an engine), bird hit, or bird aircraft strike hazard (BASH)—is a collision between an airborne animal (usually a bird or bat) and a manmade vehicle, especially an aircraft. The term is also used for bird deaths resulting from collisions with structures such as power lines, towers and wind turbines (see Bird–skyscraper collisions and Towerkill). Bird strikes are a significant threat to flight safety, and have caused a number of accidents with human casualties. There are over 13,000 bird strikes annually in the US alone. However, the number of major accidents