Cuckoo
The bird you are thinking of is a SWAN.
The bird is a Moa. You can read more at: http://en.wikipedia.org/wiki/Moa Cheers!
There is no specific species of bird that ends with "tar."
One bird with the letters "ull" in its name is the Gull. Gulls are seabirds in the Laridae family and are known for their distinctive call and scavenging behavior along coastlines.
The only state with the Willow Goldfinch as its state bird is Washington.The name Washington has 10 letters in it.
Bird
tanager
Rail
pelican
If the s here indicates a plural, then rails are wading birds that have a 5-letter name ending in s. (The word rail is obviously a 4-letter word.)
redwing
joerw
Walbeb
The bird you are thinking of is a SWAN.
Swift
Mocking bird
Goldfinch, Chaffinch or Bullfinch.