Uropygial and Salt Glands of birds

The uropygial gland, informally known as the preen gland or the oil gland, is a bilobed sebaceous gland possessed by the majority of birds. It is located dorsally at the base of the tail (between the fourth caudal vertebra and the pygostyle) and is greatly variable in both shape and size. In some species, the opening of the gland has a __________ __________ ____ ________ _________ ___ ________ _________ ____ ____ _______ ___.
_________ _______ ________ ________ _______ ________ _____ ______ ____ _____ _________.
_______ ____ __________ _______ _________ _______ ______ _________ _________ ___.
___ __________ _______ __________ ___ _____ ________ ________.
___ ________ ______ ____ ______ ________ ____ ______ ____ _______.
____ ____ ______ _______ ____ __________ ______ __________.
_____ _________ ____ ____ _________ _____ ____ __________ ___.
_________ ___ ______ ___ ___.
____ __________ ___ __________ _____ ___ ________ _____ ________ ____ _____ ______.
_______ ________ ___ ___ _____ _____ __________ _____ ____ __________ ____ ____.
__________ ____ ____ __________ ________ ________ _____ _________ _______ ___ ____.
_________ ________ ________ ______ __________.
________ __________ _________ ______ __________ _____ ____ ____ ______.
__________ ___ _____ _________ ______ _________ _____ _________ ____.
__________ ___ _________ ___ __________ ____ _______ _______ ______ _______.
____ ______ ____ ___ ______ ________ ___ __________ _____ ____ ___ _________.
________ _____ _________ __________ __________ __________ _______ _____ ___ ________.
___ _________ _______ ______ ____ ____.
____ ________ ____ ___ ___ _________ __________ ________ ______ ________ ________.
____ ______ ____ ____ ____ ____ _________ _____ _________ _____ _____.
____ ________ _____ __________ ___ _______ _______ ______ ____ _________ ______ ______.
_____ ________ _______ _____ _____ ______ _____ ________.
______ __________ _______ _____ ____ ______ ____ ___ _____ __________ ______.
___ _____ ____ ____ ___ _______ ________ _____ ____ _____ ____ __________.
________ ________ _________ ________ _______ ___ ________.
_____ _________ ____ ________ ______ ______ ____ _____.
______ __________ ______ _________ _____ ________ ______ ________ _________ ___.
_______ ______ _______ ______ __________ __________.
_______ ______ ___ _____ _______ ________ ________ ___ ___ _______ ____.
_________ __________ _______ _________ ________.
_____ _____ _______ __________ _________ ____ _____.
_________ ____ ____ _________ _____ ___ ___ ________.
__________ _________ _________ ______ ______ ____ _____ ___.
_____ ________ _________ __________ _____.
Get Full Answer on WhatsApp