You will hear a talk given by a university professor about one of the aquatic mammals, the West Indian manatee. First you have some time to ... A manatee can reach nearly 4 meters in length and weigh as much as 1, 500 kilograms. ... female gives birth normally to only one baby at a time, about a year after mating. Intervalsanbsp;...
|Author||:||木村ゆみ, 吉田佳代, クリスチャンバローズ|
|Publisher||:||三修社 - 2007-08-20|