In most birds of prey, males and females have similar plumage. The Northern Harrier is an exception to this rule. Males have a mostly grey plumage, while females have a brownish plumage. Northern Harriers have a unique flight style, swooping low over fields and prairies looking for prey items with a butterfly-like flapping pattern.
Northern Harrier by canorus
The tendency to soar low over the ground combined with their unique plumage has earned male Northern Harriers a cute nickname: Grey Ghost.
Tomorrow's bird is a South American species of parrot with a raptoresque name. Can you guess what it will be?