Sage Grouse Mating Display-3
Once in their assigned position on the lek, males fan their tails and inflate a pair of air sacs in their breasts to make a bubbling sound, almost like the mud-pots in Yellowstone.
Once in their assigned position on the lek, males fan their tails and inflate a pair of air sacs in their breasts to make a bubbling sound, almost like the mud-pots in Yellowstone.