A white-necked jacobin hummingbird chick surprises scientists, scaring away wasps by mimicking a poisonous caterpillar.

Hummingbirds are amazing creatures, with the ability to fly backward using wings that beat about 30 times a second. It’s no wonder people love attracting hummingbirds to their yards to enjoy them up ...

In a 26-minute standoff, a snake-mimicking caterpillar was unable to feed during attacks from a nest-defending hummingbird. (Video provided by James Marden) When a caterpillar disguises itself as a ...