An Aldehyde is an organic compound containing a terminal carbonyl group. This functional group, which consists of a carbon atom which is bonded to a hydrogen atom and double-bonded to an oxygen atom (chemical formula O=CH-), is called the aldehyde group.
Berchtesgaden-a town in Bavaria The town of Berchtesgaden is located near Hitler's Eagle's Nest (Kehlsteinhaus) and can be easily reached by train; there are several hotels and it is an inexpensive place for tourists to stay overnight.
Some host species recognize and reject cowbird eggs, but many host species such as the Song Sparrow do not distinguish between their own eggs and those of the cowbird. The upper wing coverts of the adult male are black. Those of younger birds show a brownish wash.oth species are brood parasites that lay their eggs in the nests other birds. Formerly occurring in the central grasslands of North America, wholesale clearing of forested land has allowed the Brown-headed Cowbird to extend its range across most of North America, and to increase its population dramatically.