A keystone in an arch's crown secures the other stones in place. Keystone species play the same role in many ecological communities by maintaining the structure and integrity of the community.

Has the Term 'Keystone Species' Lost Its Meaning? Story by Lesley Evans Ogden, Quanta Magazine • 10mo A nne Salomon’s first week as a graduate student in 2001 was not what she had anticipated.

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Human-beaver conflicts surfaced concerning vegetation and tree damage, safety concerns of tripping over stumps of felled trees, blocked road culverts, and flooding, which potentially undermines ...

Imagine looking at the world through the stalked compound eyes of krill in the Southern Ocean. All of a sudden, a penguin appears like a voracious giant, streamlined like a torpedo, chasing and ...

Author and natural history educator Cindy Crosby will discuss how the tallgrass prairie, Illinois’ original garden, has been shaped by bison during a presentation at 7 p.m. April 1. The event is ...