Species trends

Acanthis flammea Accipiter nisus Acrocephalus arundinaceus Acrocephalus palustris Acrocephalus schoenobaenus Acrocephalus scirpaceus Actitis hypoleucos Aegithalos caudatus Alauda arvensis Alcedo atthis Alectoris rufa Anas platyrhynchos Anthus campestris Anthus pratensis Anthus trivialis Apus apus Ardea cinerea Bombycilla garrulus Bubulcus ibis Burhinus oedicnemus Buteo buteo Calandrella brachydactyla Calcarius lapponicus Carduelis carduelis Carduelis citrinella Carpodacus erythrinus Cecropis daurica Certhia … Continue reading Species trends