UBPRC – Ukrainian Birds of Prey Research Centre

Informational site (selected stuff)

Archive for March, 2009


Observations of marked birds

There came a period of bird spring migration, and again we’re searching the sky for silhouettes of our favourites. Quite often we don’t guess that our observations might give an unexpected result. During last decades an individual marking of birds of prey by using colour rings, wing tags or ‘windows’ on wings is rather common-spread. […]