The white-necked jacobin (Florisuga mellivora) is a jewel-toned hummingbird found in the neotropical lowlands of South America and the Caribbean. It shimmers blue and green in the sunlight as it flits ...

Look for a ruby-throated hummingbird in eastern states in summer. See what males and females look like and learn how to feed ...

For the first time, scientists described a hummingbird chick potentially mimicking a poisonous caterpillar to avoid getting eaten. When Jay Falk and Scott Taylor first saw the white-necked Jacobin ...

Ruby-throated hummingbirds are in the midst of their collective mid-spring migration north, meaning bird-watchers in Delaware, New Jersey, New York and Pennsylvania will soon be able to observe the ...