Buzzards are losing their colour diversity
A Europe-wide citizen science study reveals that intermediate-plumaged birds now dominate
When staying isn’t the best
Divorce increases reproductive success in Pied Flycatchers
Acclimatization shapes vulture movements after release
Acclimatization helps Griffon Vultures synchronising their movements and exploring colonies
Does sickness boost bird reproductive success?
How birds prioritise their offspring when facing an immune threat
Uncovering secrets of King Vultures
Hidden differences between males and females
Biogeographical Adaptations to Global Change
The ecological drivers of the arrival of wintering Ospreys to Iberia
Defining Minimum Sampling Effort to Characterise Understorey Bird Assemblages in Amazonia
A Synthesis Based on Four Decades of Data
Does conventional farming affect birds’ fertility?
Some passerine birds show reduced sperm quality near conventional crops
Do East Asian geese and swans switch flyways?
Long-term satellite tracking reveals remarkable flyway fidelity
Are parrots filling ecological niche space?
How non-native parrots become established in urban bird communities