![Bison at Elk Island National Park](https://a4.pbase.com/g4/07/924107/3/144964481.DV2bmOph.jpg) Bison at Elk Island National Park |
![Bison at Elk Island National Park](https://a4.pbase.com/g4/07/924107/3/144964482.T1vaONe6.jpg) Bison at Elk Island National Park |
![Bison](https://a4.pbase.com/g12/07/924107/3/169921185.QUQJoKdo.jpg) Bison |
![Brown-headed Cowbird riding a bison](https://a4.pbase.com/g12/07/924107/3/169921186.2wUwHWzh.jpg) Brown-headed Cowbird riding a bison |
![Bison with cowbirds](https://a4.pbase.com/g12/07/924107/3/169921187.2FX72yGq.jpg) Bison with cowbirds |
![Bison with cowbird](https://a4.pbase.com/g12/07/924107/3/169921188.X1MDFIgt.jpg) Bison with cowbird |
![Bison with cowbird](https://a4.pbase.com/g12/07/924107/3/169921189.c6unr972.jpg) Bison with cowbird |
![Elk Calf](https://a4.pbase.com/g4/07/924107/3/145001780.uNtBFOdL.jpg) Elk Calf |
![Bull Elk](https://a4.pbase.com/g4/07/924107/3/145016995.FJMaAmqx.jpg) Bull Elk |
![Bull Elk](https://a4.pbase.com/g4/07/924107/3/145016994.nhFfkFP0.jpg) Bull Elk |
![Bull Elk](https://a4.pbase.com/g4/07/924107/3/145025078.vyuL4WkV.jpg) Bull Elk |
![Bull Elk](https://a4.pbase.com/g4/07/924107/3/145025079.ISypWJWg.jpg) Bull Elk |
![Bull Elk](https://a4.pbase.com/g4/07/924107/3/145025080.EK3ZAcsV.jpg) Bull Elk |
![Bull Elk](https://a4.pbase.com/g4/07/924107/3/145025082.2FVETdmE.jpg) Bull Elk |
![Female Elk with Radio Collar](https://a4.pbase.com/g4/07/924107/3/145090454.17Kv5XZZ.jpg) Female Elk with Radio Collar |
![Female Elk with Radio Collar](https://a4.pbase.com/g4/07/924107/3/145090457.CQgufzyC.jpg) Female Elk with Radio Collar |
![Female Elk with Radio Collar](https://a4.pbase.com/g4/07/924107/3/145090459.CZWhzXb0.jpg) Female Elk with Radio Collar |
![Bighorn Sheep family](https://a4.pbase.com/g4/07/924107/3/145054399.7e6CMTNz.jpg) Bighorn Sheep family |
![Bighorn Sheep family](https://a4.pbase.com/g4/07/924107/3/145054400.I9fsYcJg.jpg) Bighorn Sheep family |
![Mother and baby](https://a4.pbase.com/g4/07/924107/3/145054401.bsI7gXBF.jpg) Mother and baby |
![Young Bighorn Sheep](https://a4.pbase.com/g4/07/924107/3/145054402.lYGlqjhT.jpg) Young Bighorn Sheep |
![Baby Bighorn Sheep](https://a4.pbase.com/g4/07/924107/3/145054421.ifSJK2a4.jpg) Baby Bighorn Sheep |
![Baby Bighorn Sheep](https://a4.pbase.com/g4/07/924107/3/145054422.HMhEiouY.jpg) Baby Bighorn Sheep |
![Mother and Baby](https://a4.pbase.com/g4/07/924107/3/145054423.MOaSChrh.jpg) Mother and Baby |
![Female Bighorn Sheep](https://a4.pbase.com/g4/07/924107/3/145054424.R5F6cxvT.jpg) Female Bighorn Sheep |
![Possible Wolf](https://a4.pbase.com/g4/07/924107/3/145025076.WC1ymeUe.jpg) Possible Wolf |
![Muskrat](https://a4.pbase.com/g4/07/924107/3/144984215.Ni4KrLjP.jpg) Muskrat |
![Muskrat](https://a4.pbase.com/g12/07/924107/3/169921190.yPMdE6oj.jpg) Muskrat |
![Muskrat](https://a4.pbase.com/g12/07/924107/3/169920368.caqg27SI.jpg) Muskrat |
![Columbian Ground Squirrel (Urocitellus columbianus)](https://a4.pbase.com/g4/07/924107/3/145001777.QXAhIlDR.jpg) Columbian Ground Squirrel (Urocitellus columbianus) |
![Columbian Ground Squirrel (Urocitellus columbianus)](https://a4.pbase.com/g4/07/924107/3/145016992.Wg7Tl1ta.jpg) Columbian Ground Squirrel (Urocitellus columbianus) |
![Columbian Ground Squirrel (Urocitellus columbianus)](https://a4.pbase.com/g4/07/924107/3/145016993.1g46nNQv.jpg) Columbian Ground Squirrel (Urocitellus columbianus) |
![Columbian Ground Squirrel](https://a4.pbase.com/g4/07/924107/3/145090465.DvMa4Oqe.jpg) Columbian Ground Squirrel |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773358.p9qEOmYX.jpg) Richardson's Ground Squirrel |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773359.rzxU9X2Q.jpg) Richardson's Ground Squirrel |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773368.vLDZfVwy.jpg) Richardson's Ground Squirrel |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773369.mc89pfAG.jpg) Richardson's Ground Squirrel |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773370.YbFePp3Y.jpg) Richardson's Ground Squirrel |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773371.YXXedq6m.jpg) Richardson's Ground Squirrel |
![Richardson's Ground Squirrels](https://a4.pbase.com/g10/07/924107/3/167773375.1T11McXE.jpg) Richardson's Ground Squirrels |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773376.xiQUSaxP.jpg) Richardson's Ground Squirrel |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773377.iKsUPedm.jpg) Richardson's Ground Squirrel |
![Richardson's Ground Squirrel](https://a4.pbase.com/g10/07/924107/3/167773378.bJqyoLgO.jpg) Richardson's Ground Squirrel |
![Golden-mantled Ground Squirrel](https://a4.pbase.com/g4/07/924107/3/145089916.ZPsOuBv8.jpg) Golden-mantled Ground Squirrel |
![Golden-mantled Ground Squirrel](https://a4.pbase.com/g4/07/924107/3/145089917.syy9tJAV.jpg) Golden-mantled Ground Squirrel |
![Golden-mantled Ground Squirrel](https://a4.pbase.com/g4/07/924107/3/145089918.bkpJFvkW.jpg) Golden-mantled Ground Squirrel |
![Golden-mantled Ground Squirrel close-up](https://a4.pbase.com/g4/07/924107/3/145089919.LRnFKDXJ.jpg) Golden-mantled Ground Squirrel close-up |
![Golden-mantled Ground Squirrel](https://a4.pbase.com/g4/07/924107/3/145090014.JW0Y3XeU.jpg) Golden-mantled Ground Squirrel |
![Golden-mantled Ground Squirrel](https://a4.pbase.com/g4/07/924107/3/145090015.yc9yYpZf.jpg) Golden-mantled Ground Squirrel |
![Golden-mantled Ground Squirrel (Callospermophilus lateralis)](https://a4.pbase.com/g4/07/924107/3/145118155.ct0W5eN5.jpg) Golden-mantled Ground Squirrel (Callospermophilus lateralis) |
![Golden-mantled Ground Squirrel (Callospermophilus lateralis)](https://a4.pbase.com/g4/07/924107/3/145118156.46UqsQsT.jpg) Golden-mantled Ground Squirrel (Callospermophilus lateralis) |
![Hoary Marmot (Marmota caligata)](https://a4.pbase.com/g4/07/924107/3/145136869.F6NaBzhY.jpg) Hoary Marmot (Marmota caligata) |
![Hoary Marmot (Marmota caligata)](https://a4.pbase.com/g4/07/924107/3/145136870.hsooWeje.jpg) Hoary Marmot (Marmota caligata) |
![White-tailed Jack Rabbit](https://a4.pbase.com/g4/07/924107/3/145160110.HvsP4sup.jpg) White-tailed Jack Rabbit |
![White-tailed Jackrabbit](https://a4.pbase.com/g12/07/924107/3/169921191.Ea1XbBmP.jpg) White-tailed Jackrabbit |
![White-tailed Jackrabbit](https://a4.pbase.com/g12/07/924107/3/169920329.EMOJ7gd1.jpg) White-tailed Jackrabbit |
![White-tailed Jackrabbit](https://a4.pbase.com/g12/07/924107/3/169920330.HDa1ES4r.jpg) White-tailed Jackrabbit |
![American Pika (Ochotona princeps) gathering food](https://a4.pbase.com/g4/07/924107/3/145118157.eK1PsMkn.jpg) American Pika (Ochotona princeps) gathering food |
![American Pika (Ochotona princeps)](https://a4.pbase.com/g4/07/924107/3/145118159.JRi9RJbi.jpg) American Pika (Ochotona princeps) |
![American Pika (Ochotona princeps)](https://a4.pbase.com/g4/07/924107/3/145118158.AO559jG8.jpg) American Pika (Ochotona princeps) |
![American Pika (Ochotona princeps)](https://a4.pbase.com/g4/07/924107/3/145118160.BHFtsPjL.jpg) American Pika (Ochotona princeps) |
![American Pika (Ochotona princeps)](https://a4.pbase.com/g4/07/924107/3/145136871.lzuU6VxI.jpg) American Pika (Ochotona princeps) |