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 ...

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 ...