This kind of bird is a grebe. There are 22 different species, some of them flightless. They are somewhat clumsy and fall over frequently because of where their feet are placed on their body.
vestigial tail
Not exactly. It is the vestigial remnant of a tail.
A vestigial organ is an organ that has no beneficial use to an organism. Ex. Tail bone in Humans
tail. vestigial structures no longer have a purpose in modern life.
Any of various aquatic, chiefly marine mammals of the order Cetacean, including the whales, dolphins, and porpoises, characterized by a nearly hairless body, anterior limbs modified into broad flippers, vestigial posterior limbs, and a flat notched tail.
the bird that has a tail like a fan is called a 'Peacock'
Bird
a bird is a bird
no
you must be talking about a vestigial structure. Like our vestigial "tail".
The bird with a blue and white tail is called a blue jay.
Evidence, not proof. Scientists do not prove things. Your coccyx for one bit of evidence, This is the " stump " of a vestigial tail that is now used for another purpose in humans; to help with sitting. Sometimes this tail does grow out in child development. This is evidence of the concept of evolutionary common ancestry.