Pollination by birds is ____AZoophilyBEntamophilyCHypohydrophilyDOrnithophilyAnswer: D. Ornithophily Read Explanation: It is the mode of allogamy performed by birds. Only a few types of birds are specialised for this. They usually have small size and long beaks. Two common types of tropical pollinating birds are sun birds (Afro-Asia) and humming birds (America). Humming birds perform pollination while hovering over the flowers. Read more in App