Remove Breeding Remove Kazakhstan Remove Research Remove Species
article thumbnail

The Hidden Qualities of House Sparrows

10,000 Birds

In its natural old-world range, the House Sparrow offers an interesting identification challenge and has vagrant potential since it is a polytypic species with a highly complex taxonomy. The genus Passer has several well-recognized and recognizable species in Europe, and still holds several enigmas.

Sparrows 210
article thumbnail

A Problem with Gulls

10,000 Birds

Among these white-headed/dark-winged gulls formerly lumped into the genus Larus , there were 18+ recognized species the last time I checked, sharing similarities that make telling them apart for the amateur birdwatcher very difficult. 1998), then the proper name for this species is L. fuscus – should be separated as species.

2011 157
article thumbnail

Polygynandry and avian swingers

10,000 Birds

Over the next few days, the Alpine Accentors ( Prunella collaris ) will arrive on their high-Alpine breeding grounds – it is time to start singing, despite that the treeless Alpine landscape is still under metres of snow. all Alpine Accetor photos digiscoped (c) Dale Forbes. all Alpine Accetor photos digiscoped (c) Dale Forbes.

2011 204