|

Dr. Kerry Murphy, YNP scientist, showing a wolverine live trap used during
the winter, 9 May |

Elk and Black-billed Magpies, 9 May |

Mountain Bluebird, 9 May |
|

Bald Eagle, 9 May |

Bald Eagle, 9 May |

Coyote on an elk kill, 10 May |
|

Black bear, 10 May |

Black bear, 10 May |

Yellow-rumped Warbler (Audubon's), 14 May |
|

Sandhill Crane on nest, 13 May |

Sandhill Crane on nest and Yellow-headed Blackbird, 13 May |

Bison calf, 13 May |
|

Bison calf with cow, 13 May |

Pronghorn, 13 May |

Pronghorn, 13 May |
|

Bison calf, less than one week old, 13 May |

Bison calf, 13 May |

Pronghorn, 13 May |
|

Jim Garry, YNP naturalist, 13 May |

Elk carcass, 10 May

Dr. Halfpenny showing tooth wear on elk mandible, 10 May |

Dr. Jim Halfpenny, YNP scientist, 10 May |
|

Elk bone marrow samples, 10 May |

Richardson's ground squirrel, 10 May |

Yellowstone Institute class members, 10 May |
|

Barrow's Goldeneye, Lamar River, 13 May |

Barrow's Goldeneye, Lamar River, 13 May |

Full moon over YNP, 13 May |
|

Yellowstone Falls, 13 May |

Kay Niyo, 13 May |

Gary Bahr, 13 May |
|

Common Raven, 13 May

Bull elk, 13 May |

Bull bison sparring, 13 May

Mountain sheep ram, 13 May |

Richardson's ground squirrel, 13 May

Mountain sheep rams, 13 May |
|

Mountain sheep ram, 13 May |

Bison rubbin on sign, 13 May |

Bison rubbing on sign, 13 May |