gran canaria blue chaffinch fringilla polatzeki left and canary islands blue tit cyanistes teneriffae right.

animal animals biodiversity biology biosphere bird birds blue caeruleus canaria canary chaffinch chaffinches color colors colour colours cyanistes diversity eat eating fauna feed feeder feeding food fringilla gran island islands left life mark marked natural nature ornithology parus passeriformes passerine passerines polatzeki right ring ringed seed seeds spain species tejeda teneriffae tit two vertebrate vertebrates wild wildlife zoology