10,000 Birds

JUNE 22, 2023

If such human food is not available, the Yellow-billed Chough goes back to its original diet of (at least in Europe) grasshoppers, as described here. This species might indeed merit a bit more research – the only paper I found on its breeding looked at only 7 nests (of which 3 failed).

Birds 130

Birds China Science Research 130

10,000 Birds

DECEMBER 22, 2016

Out of just under 200 bird species I observed this year in SE Europe, there are 6 threatened species. The decrease in numbers has been accompanied by fragmentation of the breeding range and is continuing to affect all populations. Disturbance on breeding grounds (e.g. The IUCN/BirdLife International Red List).

Serbia 202

Serbia Greece Montenegro Bulgaria 202

10,000 Birds

APRIL 6, 2021

192) from the timing of seasons to the ferocity of weather to the shape of breeding, wintering, and stopover habitat to even the size of birds themselves. Research has also shown that migrant birds have smaller brains than resident birds but grow more neurons, which deal with spatial information, before they migrate.

Cyprus 255

Cyprus Slaughter Slaughtered Research 255