CONTENT CONTACT ECARDS WILDLIFE LOGIN HELP PLANTS ANIMALS SPECIES GUIDES FIELD GUIDES ENDANGERED SPECIES ADVANCED SEARCH DESCRIPTION BIRDING BIRDS AUDIO REGIONAL MIGRATION GUIDE MAMMAL TRACKS ARCHIVE LOCAL NATURE GARDENING NATIVE PLANT INVASIVE PLANT PERSONAL EXPERT REMOVE QUESTION ANSWERS BACKYARD GAMES TV RINGTONES SCREEN SAVERS FLASH CARDS LINK RELATED LINKS MOBILE APPS BLOG SELECT OPTION LEARN LIVES AREA ANIMAL OR PLANT SAW INFO NATIONAL PARK REFUGE SEND ECARD WANT TO WEASEL MUSTELA ERMINEA IMAGES NEWSLETTERS BEASTS STORIES CHANGE YOUR SUBSCRIPTION CLICK HERE START PETITION CARE2 SURE ENTIRE DATABASE PLANTS AND ANIMALS FIND ALTERNATE ERMINE MUSTELIDAE WEASELS VIEW THIS FAMILY DARK TAIL WHITE SMALLER THAN SHORTER MALES SEXED GENITAL BROWN IN SUMMER WINTER COAT BLACK DELAYED IMPLANTATION RESULTS YOUNG IN SPRING BURROW HOLLOW LOG REACH ADULT SIZE MOTHERS TEACH HUNT GOING OUT FAMILY SUBALPINE SUBURBS FORESTS GRASSLANDS RIVERS MEADOWS SHRUB MARSHES ROCKY EASTERN WESTERN NOCTURNAL HUNTER USES HABITATS VARIETY MUSTELIDS RECENT TWEETS FOLLOW US TWITTER PAGE PRINT NORTH AMERICA UNDERSTAND THE WILD FREE NATURE VAST SEEN NECK OF THE WOODS LOCATION PARKS NEAR YOU CONSERVE SAVE SIGHTINGS THOUSANDS FREE POLICY