Although it proved impossible to explore the valley of the Dihang (present-day Siang Valley), where it breaks through the main mountain range on the confines of Thibet… in spite of great physical ...

The white-necked jacobin (Florisuga mellivora) is a jewel-toned hummingbird found in the neotropical lowlands of South ...

A hummingbird chick in Panama mimics a poisonous caterpillar to avoid predators—a rare case of bird-to-insect mimicry. When ...

Tiny hummingbird chicks were observed mimicking a poisonous caterpillar to survive in the Panama rainforest–a first for science.