uropygial glands

uropygial glands

bilobed oil glands on either side of the pygostyle of many birds which aid in waterproofing feathers. Some species, e.g pigeons and parrots, lack them.
References in periodicals archive ?
6,7) There is also one report of cutaneous pox involving feather follicles around the uropygial glands in mynah birds (.
The scientists used gas chromatography-mass spectrometry to isolate 19 volatile compounds from the preen oils which are secreted from the birds' uropygial glands near the base of the tail.