Pronghorn | JuzaPhoto

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Usa View gallery (19 photos)

Pronghorn sent on May 27, 2014 (23:19) by Marcom. 6 comments, 1906 views.

, 1/4000 f/5.6, ISO 800, hand held. Yellowstone National Park, United States. Specie: Antilocapra americana

L'Antilocapra americana (Pronghorn) è un elegante animale di cui confesso ignoravo quasi tutto. Nonostante l'aspetto simile ad una antilope, è invece stretta parente della pecora. Sono rimasto molto stupito di apprendere che viene considerata il secondo mammifero più veloce del pianeta (dopo il ghepardo). Non capivo il perchè di questa velocità (100km orari sostenuti molto più a lungo del ghepardo) visto che i predatori nordamericani sono considervolmente più lenti. Non lo capivo sino a quando mi hanno spiegato che migliaia di anni fa esisteva un ghepardo in nordamerica. Probabile frutto di una evoluzione convergente a quello africano, ma considerato parente del puma, e probabilmente causa dell'evoluzione da sprinter dei pronghorn. La foto ritrae un esemplare di un piccolo branco incontrato nella Lamar Valley.

10 persons like it: AlbeeBoo, Alessandro Beconi, Andrea Marzorati, Diego Occhi, Duell, Marco Valentini, Memy, Mirco Z, Steff, Walter Bertolotti

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Memy

sent on May 28, 2014 (11:24) | This comment has been automatically translated (show/hide original)

After you tell me I went to look for some info on the so-called American cheetah or better Miracinonyx why, I had never heard anything I was very intrigued and in fact genetic studies place it as related to the puma, but not with the cheetah. ..
Nice picture even though you do not l 'have done with your old 300 2.8! :-D:-D:-D:-D:-D

Marco Valentini

sent on May 28, 2014 (14:56) | This comment has been automatically translated (show/hide original)

A new entry between species, are years that I think to go and see ... sooner or later I will succeed ....

Steff

sent on May 28, 2014 (17:12) | This comment has been automatically translated (show/hide original)

nice photo and interesting description.
I knew that the American prairies living in a "lion" but not a "cheetah" really interesting.

Marcom

sent on May 30, 2014 (18:15) | This comment has been automatically translated (show/hide original)

Memy Thanks, Mark, Steff.
I also greatly surprised by this story.
For the record I have never seen running, just move "walking quickly".

Vioz	sent on June 02, 2014 (22:29) \| This comment has been automatically translated (show/hide original) The subject is particularly well-taken, and your premise is interesting

Marcom

sent on June 02, 2014 (23:20) | This comment has been automatically translated (show/hide original)

Thanks Mark, I find them beautiful, I never said it was a "sheep".

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