A new study has pointed out the perils of failing to take female birds and their behaviour into account in research and ...

Immature: similar to spring female; some immature females very dull with indistinct streaking and much reduced yellow on sides of breast. Compare to the Magnolia and Cape May Warblers, which have ...

When she’s ready to lay an egg, a female Cuculus canorus swoops to the ... the provider is a reed warbler, a common host. Franka Slothouber, a retired photo editor who’s an avid wildlife ...

Females may also not inhabit the same places as males. For example, female golden-winged warblers inhabit lower elevations than males in the non-breeding season. They have lost twice as much of ...