Elongated beaks allow them to feed on a kaleidoscope of different flowers. 长长的喙使它们能够吸食各种花朵
...who muscled in on the insect's domain. 向昆虫的领地发起进攻
was built on the close relationship between flowers and their insect pollinators. 以花与昆虫授粉者的密切关系为基础
They also drew on a rather flamboyant ancient behavior, 它们还依赖于 一种相当引人注目的古老行为
...that allow them to feed on new diets. 使其能够以新的食物为食
but one giant leap for life on Earth. 地球生物一大步
another group of animals had also clung on... 但另一群动物也坚持了下来