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Bighorn Sheep Population Climbing in New Mexico

Bighorn Sheep Population Climbing in New Mexico

In 1980 there were less than 70 wild desert bighorn sheep living in New Mexico. Since then, due to various conservation efforts, there are 550. Five hundred is the number deemed viable by local Game and Fish officials, and so the Bighorn are currently under review to be delisted from the state’s endangered species list. The current population is estimated to grow to beyond 700 by 2012.

The simple fact a species can reach such a vulnerable state and come back from near death is a testament to inherent resilience, and the care of the biologists and policy makers who invested themselves in the thirty year journey. The people who made the restoration possible are unsung heroes. Is the work done though? Who decides what is the proper population size?

The Bighorn Institute says about 200 years ago, there could have been as many as two million living in the United States, but excessive hunting, disease from domestic sheep, and habitat loss sent their numbers into drastic decline. Could there once again be that many desert bighorn?

They are a hardy animal and well-adapted to a very dry environment, so it is possible. According to Wikipedia, “Some of the bighorn may go without visiting water for weeks or months, sustaining their body moisture from food and from rainwater collected in temporary rock pools.” Their ability to go without water for such long periods allows them to reside in areas too dry for large predators such as mountain lions. Sounds like an ingenious adaptation for animals that are vegetarian, and don’t have obvious defenses like large, sharp teeth or claws.

Their numbers will most likely never get back into the millions, but at least in New Mexico they are being rejuvenated somewhat.

You can send thanks or other comments about the success and delisting here:

Elise Goldstein,
Department of Game and Fish, P.O. Box 25112, Santa Fe, NM 87504, (505) 476-8041

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Image Credit: Andrew Bama

Read more: Nature, Nature & Wildlife, ,

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1:24PM PST on Jan 20, 2013


6:02AM PDT on Sep 4, 2010

That is staggering that a population of 2 million went down to 70 in less than 200 years. I pray they are always kept on the endangered list. All animals should be considered endangered and given full protection.

5:28PM PDT on Jun 21, 2010

Excellent news!

9:54PM PDT on Jun 17, 2010

This is wonderful news!

3:08PM PDT on Jun 16, 2010

Thank you for this good news.

I sent off an email to Ms Goldstein.

4:52AM PDT on Jun 13, 2010

It's always good to hear such news in this day and age, where everyone seems to be destroying everything and the world always seems to be at crisis point...thanks for sharing, I hope they keep up the good work!

10:31PM PDT on Jun 11, 2010

i am pleased to hear that

5:53AM PDT on Jun 11, 2010

Thanks for posting this, Jake! As a resident of New Mexico, I am gratified to read that our desert bighorn sheep are making a comeback. However, I share Dianne's concerns that these animals will end up being exploited in some way. I hope they are not removed from the endangered species list for now!

1:32AM PDT on Jun 11, 2010

Great news! Thank you Jake!!!

8:07PM PDT on Jun 10, 2010

Thanks for the article.

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