A velcrow Courtesy of Jokels.com:
Both hate when people stick beef between two buns.
ssssssssssss boom! baaaaaaaah!
A bird who knocks before delivering its message !
A penguin.
Birds of Pray
Two large plains.
They wear snow caps. *cringe* Courtesy of Westjet's horrible phone line.
If she's only wearing one sock. (This joke brought to you courtesy the homeless guy outside my local 7-11.) Edit: tweaked the punchline.
Nikki Menage a Troi Courtesy of Jokels.com: