In the absence of a competitor,a species may expand its niche,Examples of such competitive release include ground doves in New Guinea and gerbils in Israel.

• 竞争释放在缺乏竞争者时，物种会扩张其实际生态位。这种竞争释放的例子包括新几内亚岛上的地鸽子和以色列的沙鼠。