Mondo Knows Facts

Wolves returned to Yellowstone in 1995

Fourteen animals from Canada were released after a 70 year absence The absence of a top predator had left elk numbers high and willow regrowth poor. Biologists still debate how much of the later vegetation recovery to credit to wolves, now regarded as one influence among several. Wolf watching became a significant local industry. It sits in Mondo's animals collection, one of 200 facts that each trace back to the reference below.

Wolves returned to Yellowstone in 1995, photograph
Dennis from Atlanta ยท CC BY-SA 2.0 ยท licence ยท source

Where this comes from

US National Park Service

Facts that can change over time are reviewed and updated. If something here looks wrong, Mondo would rather know than be confidently incorrect.

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Tags: wolves, yellowstone, ecology

Wolves returned to Yellowstone in 1995: the short answers

Where does this come from, and can I check it?
Fourteen animals from Canada were released after a 70 year absence. The figure is taken from US National Park Service, which is linked in full on this page. Every fact on Mondo Knows names its source rather than repeating an unsourced claim.
Is this really a animals fact?
Yes. It sits on the Animals shelf, one of 2,600 sourced facts grouped into space, animals, the human body, history, science and more. Category pages collect every fact in the same field.
What else can I read about it?
The links under the fact point to a quiz, game, puzzle or calculator on the same subject, and the shelf below shows related facts. The wording here is original, and quoted phrases are marked as quotations.