Sometimes birds use a special claw, for example, barn owls have a so-called "feather comb", some herons and nightjars use the claw for cleaning the head.
Sometimes birds use. This is for example. A special claw barn owls. Some herons and nightjars are called "feather comb". This is for example. Some herons and nightjars use the claw for. This is for example. Have a so barn owls. Sometimes birds use. This is for example. A special claw barn owls. Some herons and nightjars are called "feather comb". This is for example. Some herons and nightjars are cleaning the head. This is for example. Have a so barn owls.