Ornitologi: Hur benämns en fågelfot där samtliga tår är förbundna med simhud?

Frågor

"One morning I shot an elephant in my pajamas. How he got in my pajamas, I don't know."?

"We rob banks!"?

"Today, I consider myself the luckiest man on the face of the earth."?

"You know how to whistle, don't you, Steve? You just put your lips together and... blow."?

"Play it, Sam. Play As Time Goes By."?