The following animals are endangered, mainly in part to Human interference: North America     * Alligator     * American Bison     * American Crocodile     * Arctic Fox     * Bats     * Bighorn Sheep     * Black Footed Ferret     * Black Bear     * Bobcat     * Burrowing Owl     * Butterflies     * Cactus Pygmy Owl     * California Condor     * Caribou     * Cerulean Warbler bird     * Channel Island Fox     * Beluga Whale     * Desert Tortoise     * Terrapin     * Dolphins     * Timber Wolf     * Fisher     * Florida Black Bear     * Frogs     * Fur Seal, Northern     * Gopher Tortoise ...