mammals (81 images)
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![This lean Coyote was hunting the scrub country of South Texas [April; Sick Dog Ranch near Alice, Texas]](http://cdn.c.photoshelter.com/img-get/I0000IRKowRWXXMQ/t/150/I0000IRKowRWXXMQ.jpg)
Coyote Sick Dog Ranch...jpg
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![This Badger was only the second I've seen in my life. He was hunting a sindera on a foggy morning [April; Sick Dog Ranch near Alice, Texas]](http://cdn.c.photoshelter.com/img-get/I0000tE7UZE9ReCc/t/150/I0000tE7UZE9ReCc.jpg)
Badger Sick Dog Ranch...jpg
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![Cottontail ears are larger in the southern states; This helps dissipate heat better [April; Sick Dog Ranch near Alice, Texas]](http://cdn.c.photoshelter.com/img-get/I0000ygsSSEHYFG0/t/150/I0000ygsSSEHYFG0.jpg)
Cottontail Sick Dog R...jpg
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![Pine Martens are arboreal weasels that live in the boreal north. They specialize in chasing down Red Squirrels in the trees...No easy feat! [February; Sax-Zim Bog, northern Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000sTI9svfE3yg/t/150/I0000sTI9svfE3yg.jpg)
Pine Marten CR 52 Sax...jpg
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![Pine Martens are arboreal weasels that live in the boreal north. They specialize in chasing down Red Squirrels in the trees...No easy feat! [February; Sax-Zim Bog, northern Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000JIeqEJaT9Og/t/150/I0000JIeqEJaT9Og.jpg)
Pine Marten CR 52 Sax...jpg
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![Pine Martens are arboreal weasels that live in the boreal north. They specialize in chasing down Red Squirrels in the trees...No easy feat! [February; Sax-Zim Bog, northern Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000I2.t54vQis8/t/150/I0000I2.t54vQis8.jpg)
Pine Marten CR 52 Sax...jpg
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![Porcupines relish the bark of several species of trees. This pudgy Porkie clings to tiny branches of a Quaking Aspen [January; Carlton County, MInnesota]](http://cdn.c.photoshelter.com/img-get/I00005bA_fv1h4pE/t/150/I00005bA_fv1h4pE.jpg)
Porcupine Carlton Co ...jpg
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![White-tailed Deer retain their antlers until late December or January [December; Jay Cooke State Park, Carlton County, Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000i86jV1hQjMM/t/150/I0000i86jV1hQjMM.jpg)
White-tailed Deer Jay...jpg
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![With the reintroduction of Timber Wolves into the Greater Yellowstone area, Rocky Mountain Elk are returning to a more balanced and sustainable population [September; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I0000.FiIkJWFKEo/t/150/I0000.FiIkJWFKEo.jpg)
Elk bull blue silhoue...jpg
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![Bison on a chilly morning crosses the Madison River [September; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I0000d9cxmshnBxc/t/150/I0000d9cxmshnBxc.jpg)
Bison crossing Madiso...jpg
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![Radio collars help monitor elk herds in Yellowstone [September; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I00000Rp2uZkdA1M/t/150/I00000Rp2uZkdA1M.jpg)
Elk cow with radio co...jpg
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![I call this shot "Over the Hump" [September; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I0000JdZ7HMs8m0I/t/150/I0000JdZ7HMs8m0I.jpg)
Bison hump from behin...jpg
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![With the reintroduction of Timber Wolves into the Greater Yellowstone area, Rocky Mountain Elk are returning to a more balanced and sustainable population [September; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I0000KlTmZUxKCeA/t/150/I0000KlTmZUxKCeA.jpg)
Elk bull run blur Yel...jpg
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![Timber Wolves have been very successfully reintroduced into Yellowstone. This was just part of a pack of five that brought down an elk [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000LNckRy5RUXY/t/150/I0000LNckRy5RUXY.jpg)
Timber Wolves pair Ye...jpg
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![Timber Wolves have been very successfully reintroduced into Yellowstone. This was just part of a pack of five that brought down an elk [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000ag82yJZz1L8/t/150/I0000ag82yJZz1L8.jpg)
Timber Wolf yawn Yell...jpg
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![Ravens will attempt to feed on wolf kills whenever possible. The Timber Wolves do not always tolerate this [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000DcWtEf0KL6g/t/150/I0000DcWtEf0KL6g.jpg)
Timber Wolf chases Ra...jpg
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![Porcupines cannot throw their quills. But they can raise them and back into their attackers [June; Itasca County, Minnesota]](http://cdn.c.photoshelter.com/img-get/I00004yiyWLBEy88/t/150/I00004yiyWLBEy88.jpg)
Porcupine Itasca Co M...jpg
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![.River Otters do not go dormant in winter. They can often be found far from water too [April; Crex Meadows, near Grantsburg, Wisconsin]](http://cdn.c.photoshelter.com/img-get/I0000HnzHyHOCpXk/t/150/I0000HnzHyHOCpXk.jpg)
River Otter Crex Mead...jpg
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![Caching pine and spruce cones in the late summer and fall pays dividends in the winter when Red Squirrels dig them up [April (yes, April!; Jay Cooke State Park, Carlton County, Minnesota]](http://cdn.c.photoshelter.com/img-get/I00006WEoHG8ykBM/t/150/I00006WEoHG8ykBM.jpg)
Red Squirrel snowy fa...jpg
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![Play is often attributed to the actions of River Otters. And once you've observed them in the wild, you'd agree [February; St. Louis River, Fond du Lac, Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000z2QK6DXHJgA/t/150/I0000z2QK6DXHJgA.jpg)
River Otters Three St...jpg
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![Play is often attributed to the actions of River Otters. And once you've observed them in the wild, you'd agree [February; St. Louis River, Fond du Lac, Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000by6SSrVRjKY/t/150/I0000by6SSrVRjKY.jpg)
River Otters St. Loui...jpg
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![On cold winter days Red Squirrels use their fluffy tail as a back warmer [January; Hedbom Road, Aitkin County]](http://cdn.c.photoshelter.com/img-get/I0000BgyFMScOoOw/t/150/I0000BgyFMScOoOw.jpg)
Red Squirrel Hedbom R...jpg
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![Fog makes for difficult shooting but often results in interesting shots [September; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I0000_mwUCf9xXqE/t/150/I0000_mwUCf9xXqE.jpg)
Elk bull in Fog Yello...jpg
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!["Buffalo" are more accurately called American Bison. Their huge back hump contains muscles that are needed to support the massive head [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I00003IFYeZtlI9g/t/150/I00003IFYeZtlI9g.jpg)
Bison pair backlit Ye...jpg
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![Bulls keep a close watch on their harems; and especially on other bulls intent on "horning in" on their ladies [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000CKDlttEyr0g/t/150/I0000CKDlttEyr0g.jpg)
Elk bull and cow back...jpg
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![I ran after this Griz and when I caught up with her, I tapped her on the shoulder to get this wide angle shot (just kidding!) [September; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I0000fRN8qFZ_Je0/t/150/I0000fRN8qFZ_Je0.jpg)
Grizzly Golden Gate Y...jpg
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Coyote hunting backli...jpg
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![Mule Deer antlers differ from White-tailed Deer antlers in that they branch dichotomously--in V's. White-tails have one main beam with tines coming off it [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000BEgXTtS8i8I/t/150/I0000BEgXTtS8i8I.jpg)
Mule Deer bucks Yello...jpg
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![Mule Deer antlers differ from White-tailed Deer antlers in that they branch dichotomously--in V's. White-tails have one main beam with tines coming off it [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000uHaecF.KKZM/t/150/I0000uHaecF.KKZM.jpg)
Mule Deer buck Yellow...jpg
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![All animals must rest; This Coyote is taking a break from hunting in the warm autumn sun [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000s1CPLd.VIB4/t/150/I0000s1CPLd.VIB4.jpg)
Coyote wide vert Yell...jpg
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![All animals must rest; This Coyote is taking a break from hunting in the warm autumn sun [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000fq5mZ2camjc/t/150/I0000fq5mZ2camjc.jpg)
Coyote Yellowstone _M...jpg
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!["Buffalo" are more accurately called American Bison. Their huge back hump contains muscles that are needed to support the massive head [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000Qx3aiGdcKss/t/150/I0000Qx3aiGdcKss.jpg)
Bision face close Yel...jpg
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![Bighorn Sheep live in steep rocky country but must be near rivers for drinking water [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000r1nFTChaA9c/t/150/I0000r1nFTChaA9c.jpg)
Bighorn Sheep foursom...jpg
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Coyote Sick Dog Ranch...jpg
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Bison run blur Blue M...jpg
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Cottontail Martin Co ...jpg
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![Red-backed Squirrel Monkeys are an endangered primate in the jungles of Costa Rica [March; near Manuel Antonio National Park, Costa Rica]](http://cdn.c.photoshelter.com/img-get/I0000Ub73__1oyCE/t/150/I0000Ub73__1oyCE.jpg)
Red-backed Squirrel M...jpg
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![Red-backed Squirrel Monkeys are an endangered primate in the jungles of Costa Rica [March; near Manuel Antonio National Park, Costa Rica]](http://cdn.c.photoshelter.com/img-get/I0000g1jD1G1UZSs/t/150/I0000g1jD1G1UZSs.jpg)
Red-backed Squirrel M...jpg
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![It's hard to see, but this mama Three-toed Sloth has a baby clinging to her [March; near Manuel Antonio National Park, Costa Rica]](http://cdn.c.photoshelter.com/img-get/I0000gYC4fQTMQYw/t/150/I0000gYC4fQTMQYw.jpg)
Three-toed Sloth & ba...jpg
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Elk in Frosty Field Y...jpg
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Bison Hump Head-on 76...jpg
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Dolphin Estero Beach ...jpg
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Dolphin Estero Beach ...jpg
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![The only way to include a complete rainbow in one frame is to use an extremely wide angle lens, in this case a 10mm (16mm actual) [June; Blue Mounds State Park, Rock County, Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000l.w.Q4fKBoI/t/150/I0000l.w.Q4fKBoI.jpg)
Bison Rainbow Blue Mo...jpg
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![While calling for Moose, we inadvertantly attracted the attention of this curious weasel [October; Superior National Forest, Cook County, MInnesota]](http://cdn.c.photoshelter.com/img-get/I0000JIyP8DBwuHU/t/150/I0000JIyP8DBwuHU.jpg)
Weasel in Tree Cook C...jpg
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![We called in these two bull Moose during the rut. After a stare down the smaller one ran off into the woods; The bigger one followed and they started fighting. We could only hear the clashing of antlers [October; Superior National Forest, Cook County, Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000_gSPEe18XII/t/150/I0000_gSPEe18XII.jpg)
Moose two bulls Cook ...jpg
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![While calling for Moose, we inadvertantly attracted the attention of this curious weasel [October; Superior National Forest, Cook County, MInnesota]](http://cdn.c.photoshelter.com/img-get/I0000aBgVTwYWk9s/t/150/I0000aBgVTwYWk9s.jpg)
Weasel Cook Co MN 777...jpg
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Elk Out of Focus Elk ...jpg
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Elk bull Head-on Yell...jpg
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![Mule Deer silhouetted [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000BhMeRl4PbJo/t/150/I0000BhMeRl4PbJo.jpg)
Mule Deer buck tree b...jpg
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![Yellowstone Coyotes are used to humans; They will often ignore photographers and tourists, going about their business of survival [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000ka1YPHmY0Y0/t/150/I0000ka1YPHmY0Y0.jpg)
Coyote in Center 771_...jpg
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![Look at those ears! Mule Deer get their name from their oversized ears [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I00004vqkPyEdgcg/t/150/I00004vqkPyEdgcg.jpg)
Mule Deer Yellowstone...jpg
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![Yellowstone Coyotes are used to humans; They will often ignore photographers and tourists, going about their business of survival [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000V93TFf2cEXY/t/150/I0000V93TFf2cEXY.jpg)
Coyote Pounce Yellows...jpg
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Elk bull w-cow in Sig...jpg
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![Dry rustling palm fronds and the wind in my face prevented this Bobcat from sensing me until it nearly ran into me. [April; Krenmueller Farms, Lower Rio Grande Valley Texas]](http://cdn.c.photoshelter.com/img-get/I0000ZGjhOqEEe9A/t/150/I0000ZGjhOqEEe9A.jpg)
Bobcat Krenmueller Fa...jpg
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![Black Bears aren't the only ones that enjoy a good rose hip meal! This Mule Deer uses its tongue to nab a tasty treat [October; Yellowstone National Park]](http://cdn.c.photoshelter.com/img-get/I0000bjYNkzhG2iA/t/150/I0000bjYNkzhG2iA.jpg)
MuleDeer&RoseHip Yell...jpg
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![Yellowstone Coyotes are used to humans; They will often ignore photographers and tourists, going about their business of survival [October; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000NRNPSI41nLU/t/150/I0000NRNPSI41nLU.jpg)
Coyote Pair Yellowsto...jpg
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![I intentionally focused on the snow, blurring the bison, but the bison's form is so distinct to be easily recognizable [October; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I0000L0w660tPWXM/t/150/I0000L0w660tPWXM.jpg)
Bison in Snow Yellows...jpg
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Armadillo Laguna Atas...jpg
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![Two images brought together in Photoshop; Bighorn Sheep & full moon [October; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000jhQ6ccTQDmY/t/150/I0000jhQ6ccTQDmY.jpg)
Bighorn & Moon Compos...jpg
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![White-tails often lose one antler before the other in early winter [January; Isabella, Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000y3aF_1R9a3w/t/150/I0000y3aF_1R9a3w.jpg)
White-tailed Deer (1 ...jpg
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![Fall is an "energy expensive" season for bull Elk; They must guard their harems, battle other bulls, and also mate [October; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I00001YokgABQsx0/t/150/I00001YokgABQsx0.jpg)
Elk bull Yellowstone ...jpg
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![Fall is an "energy expensive" season for bull Elk; They must guard their harems, battle other bulls, and also mate [October; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000Kg5jLZGNkc8/t/150/I0000Kg5jLZGNkc8.jpg)
Elk bull Yellowstone ...jpg
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![This wary silver-tipped Grizzly took several hours to work his way in to an elk carcass floating in this pond; Unfortunately there was little light left for photography by the time he got close enough! [October; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000ObSHWUFEYbg/t/150/I0000ObSHWUFEYbg.jpg)
Grizzly coming to elk...jpg
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![This wary silver-tipped Grizzly took several hours to work his way in to an elk carcass floating in this pond; Unfortunately there was little light left for photography by the time he got close enough! [October; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000qE23had1iWw/t/150/I0000qE23had1iWw.jpg)
Grizzly coming to elk...jpg
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![The ultimate animal sign; an Elk skull bleached by the sun. But leave it there; All animal parts are protected in national parks [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000_Hpn54NkhWo/t/150/I0000_Hpn54NkhWo.jpg)
Elk skull and antlers...jpg
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Black Bear rose hips ...jpg
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![After being run off an Elk carcass by a black Black Bear, this brown Black Bear contemplates its next move [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000dr5Y6Rgt.no/t/150/I0000dr5Y6Rgt.no.jpg)
Black Bear brown phas...jpg
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![Park Rangers make sure a Black Bear family cross an active road safely...And keep photographers at a safe distance [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000xCRkCqhNWeo/t/150/I0000xCRkCqhNWeo.jpg)
Black Bear family and...jpg
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![A first-year Black Bear cub fattens up for winter; Its mother is nearby [September; Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000SNa0_1OiaaE/t/150/I0000SNa0_1OiaaE.jpg)
Black Bear cub Yellow...jpg
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![This Black Bear cub nearly crawled into the minivan with us; Fortunately he didn't and fortunately mom didn't follow! [September; Yellowstone National Park, WY]](http://cdn.c.photoshelter.com/img-get/I0000tlZjexxicz4/t/150/I0000tlZjexxicz4.jpg)
Black Bear cub Yellow...jpg
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![Unlike Rocky Mountain National Park where elk numbers are out of control, Yellowstone's elk population is balanced by the return of a top predator--the Timber Wolf [September; Swan Flats, Yellowstone National Park, Wyoming]](http://cdn.c.photoshelter.com/img-get/I0000FbfTZNrF9vQ/t/150/I0000FbfTZNrF9vQ.jpg)
Elk bull backlit Swan...jpg
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Humpback Whale Monter...jpg
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![Red Squirrels are most at home (and safest) in the trees [March; Skogstjarna, Carlton County, Minnesota]Red Squirrels are most at home (and safest) in the trees [March; Skogstjarna, Carlton County, Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000okXNUpzP_k8/t/150/I0000okXNUpzP_k8.jpg)
Red Squirrel close ba...jpg
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Coyote Stare Antelope...jpg
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![Coyotes are opportunistic. This beautiful specimen was alerted to a road-killed rabbit by scavenging magpies [February; Antelope Island, Great Salt Lake, Utah]](http://cdn.c.photoshelter.com/img-get/I0000bbt8sarERO4/t/150/I0000bbt8sarERO4.jpg)
Coyote-AntelopeIsland...jpg
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![Jackrabbits are notoriously difficult to approach...as this shot demonstrates! [February; near Bryce Canyon, Utah]](http://cdn.c.photoshelter.com/img-get/I0000raTgkKRr9Hk/t/150/I0000raTgkKRr9Hk.jpg)
Black-tailed Jackrabb...jpg
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![Mule Deer at dawn in a Zion valley [February; Zion National Park, Utah]](http://cdn.c.photoshelter.com/img-get/I0000UZICaNKBGPk/t/150/I0000UZICaNKBGPk.jpg)
MuleDeerZion007_RT8 c...jpg
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![State parks provide a refuge for wintering deer; Sometimes causing overgrazing [January; Jay Cooke State Park, Carlton County, Minnesota]](http://cdn.c.photoshelter.com/img-get/I0000Zzr8b.rtobI/t/150/I0000Zzr8b.rtobI.jpg)
White-tailed Deer JCS...jpg
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![Trophy Mule Deer bucks still in velvet [August; Antelope Island, Great Salt Lake, Utah]](http://cdn.c.photoshelter.com/img-get/I00000X2fMTUUZUw/t/150/I00000X2fMTUUZUw.jpg)
Mule Deer Utah Antelo...jpg
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![This deer's antlers have been thoroughly chewed by mice but the skull is nearly intact [October; Pattison State Park, Wisconsin]](http://cdn.c.photoshelter.com/img-get/I0000kyfrU9gFYMI/t/150/I0000kyfrU9gFYMI.jpg)
White-tailed Deer 01-...jpg
