Sneak two in, the coot lays two fewer. Coots that successfully spotted intruders knocked them out again and then laid the same number they normally would.
多出两个陌生蛋，它们就会少生两个蛋。而那些认出闯入者的鸟则会将其赶走，然后生产通常相同数量的蛋。
3
All along this uninhabited shoreline, sea islands, salt marshes, and sandy beaches provide a perfect resting place for Tundra swans, coots, gallinules, and other water birds.