Dietary biology of the Eurasian eagle-owl but none are heavier than the largest mammalian prey that eagle-owls have taken including greater white-fronted goose ("Anser albifrons"), bar-headed goose ("Anser indicus"), great cormorant ("Phalacrocorax carbo"), Himalayan snowcock ("Tetraogallus himalayensis") and demoiselle crane ("Anthropoides virgo"), all averaging around , the swan goose ("Anser cygnoides"), the common crane ("Grus grus") and the (between the dimorphic sexes) great bustard ("Otis tarda"). Eurasian eagle-owls have also hunted adult male western capercaillie, which average about , although usually the much smaller females, at , are more regularly taken. Although they rarely take domestic birds, the range of sizes killed is just as dramatic,
Ben 10: Secret of the Omnitrix signal, picks up Sixsix, one of Tetrax's rivals, and starts tracking Ben. While attempting to reach Azmuth, they are attacked by Vilgax. Ben is ultimately successful in repelling the attack, though Gluto is supposedly killed in the conflict while protecting Gwen, who blames Ben. Tetrax's ship crashes on Azmuth's homeworld. As they enter his mountain fortress, they are attacked by a group of Florauna (Wildvine's species) which capture Gwen. Ben is depressed, and blames himself. As Ben reluctantly proceeds with Tetrax and Myaxx down towards Azmuth's lair, Tetrax empathizes with Ben, revealing his origins of how working for Vilgax cost