Baby, it’s cold outside
Female Grass Wrens may favour nestling thermal conditions under adverse weather conditions.
Wren evolution in the British Isles: How might island evolution generate patterns of avian diversity?
Report from a BOU-funded project
Bird brained
Passerine brain size correlates with nest attachment mode, rather than nest type
Does eggshell phenotype act as an identity signal?
Sociality and nest environment linked to eggshell maculation in Hirundinidae
Why do birds have different eye colours?
Bird irises come in a rainbow of colours – but what are the causes behind them?
Are long tails all about sex?
A review of functions of avian elongated tails
Honey-hunting and human-honeyguide mutualism
What is the current state of honey-hunting and human-honeyguide mutualism in Northern Nigeria?
Robins on East Asian islands
Genetic differentiation in volcanic islands branching off from the mainland
Blue Manakins nest near “nest-like” structures
Could it be an anti-predatory strategy?
Feather colouration and the (mis)measure of patterns
How to objectively “measure” colouration in species with complex patterns of spots and/or lines?