falcon sphinx moth caterpillar (xylophanes falso) caterpillar snake mimic

falcon sphinx moth falcon sphinx xylophanes falso xylophanes moths insect insects entymology lepidoptera butterfly butterflies caterpillar catapillar larva larvae brown small tiny mimic mimcry biology zoology animal animalia science wildlife wild wilderness arizona mountain mountains wild animals worm worms hookworms hookworm hornworm hornworms horn snake snakehead snake head eyes false