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

There's much more to milkweed plants than you know. Discover fascinating milkweed facts about this butterfly garden staple.

As they cling to leaf tips, newborn warty birch caterpillars produce vibrations that can ward off invaders approaching their ...

Thousands of new species are found each year. Here are three of our most recent eye-catching stories. The new species was ...

Be on the lookout for a bug that resembles Cousin Itt. It may seem harmless but it can do real damage if you’re bitten.

Caterpillar in January said its current chief human resources officer, Cheryl Johnson, will retire at the end of April after seven years with the company. Write to Colin Kellaher at colin.kellaher@wsj ...

Colorful caterpillars in your garden may look cute and fuzzy, but you might should steer clear. Some of the most striking ...

Be on the lookout for a bug that resembles Cousin Itt. It may seem harmless but it can do real damage if you’re bitten.

Learn how to attract and identify a painted lady butterfly and caterpillar. Find out what they eat and what host plants you ...

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.