10 Most Stunning Sparrow Birds in the World
Sparrows may be small, but their beauty is undeniable! Discover the most stunning sparrow species across the globe, each with ...
From dinosaurs to birds: The origins of feather formation
Feathers are among the most complex cutaneous appendages in the animal kingdom. While their evolutionary origin has been ...
National Geographic news3y
White-Crowned Sparrow
One of the most common winter sparrows, the white-crowned typically occurs in flocks, which may involve more than 100 birds ... pishing and raise their crown feathers when agitated.
National Geographic news4y
Golden-Crowned Kinglet
or when bird is agitated. Black at base of secondaries, contrasting with white wing bar. Adult female: similar to male, no orange in crown. Immature: somewhat pointier tail feathers than adult ...
Science Daily29d
When birds lose the ability to fly, their bodies change faster than their feathers
Feather Evolution Following Flight Loss In Crown Group Birds: Relaxed Selection And Developmental Constraints. Evolution , 2025; DOI: 10.1093/evolut/qpaf020 Cite This Page : ...
Phys.org29d
When birds lose the ability to fly, their bodies change faster than their feathers, scientists discover
More information: Evan T Saitta et al, Feather Evolution Following Flight Loss In Crown Group Birds: Relaxed Selection And Developmental Constraints, Evolution (2025). DOI: 10.1093/evolut/qpaf020 ...