Scientists suggest female frogs listen for changes in the male calls as a signal for when it's warm enough to mate.

3月，美国华盛顿州康博伊湖国家野生动物保护区，一只雄性太平洋树蛙（Pacific tree frog / Pseudacris regilla）鼓起声囊鸣叫。 当加利福尼亚州高海拔水域的冰雪开始消融，雄性树蛙便纷纷活跃起来。它们从冬眠中苏醒，奔赴散布在这片区域的湖泊与池塘，向雌性发出 ...

Cal Poly Humboldt wildlife student Lindsey Mountz will present a free lecture at 7 p.m. Dec. 3 titled “The Relationship between Pacific Tree Frogs and Non-native Blackberries.” This one-hour talk is ...

Pam Twitchell of Adair Village took this photo in June 2008 on her front porch. “My home is located across from a wetland and the little guys/gals find refuge in my flower pots. The flower ‘Prince’ is ...