These English trumpeter pigeons -- blue-black on the left and red on the right -- display some of the great diversity of colors among some 350 breeds of rock pigeons. University of Utah biologists ...

A kind of head ornamentation known as a shell crest is seen on this English trumpeter, one of some 350 breeds of rock pigeon, one of the most diverse bird species on Earth with breeds of various sizes ...

Welcome to the world of fancy pigeons. — -- Some 7,844 pigeons gathered this weekend at the 93rd annual Grand National Pigeon Show, and not one was the average street bird. Welcome to the world ...