Weber D, Millar J, Neff B (2007) Male reproductive success and female preference in bushy-tailed woodrats (Neotoma cinerea): do females prefer males in good physical condition? Can J Zool 85:169-176Weber DM, Millar JS, Neff BD (2007) Male reproductive success and female preference in ...
Dolphins live in the sea,but they are not a kind of fish.They have babies in the way that cows(奶牛)and cats do,and feed their babies with milk.A female (雌性)dolphin has a baby every two to three years. Dolphins are very friendly.But there are not many kinds o...