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,
Porphyria cutanea tarda implicated in the origin of vampire myths. This is because people with the disease tend to avoid the sun due to photosensitivity (and therefore have a young complexion and pallor) and require blood. Hypertrichosis (i.e. A full head of hair) will also give a young appearance. Porphyria Cutanea Tarda is the name of a song by the rock band AFI on their fourth album "Black Sails in the Sunset", released on May 18, 1999. Porphyria cutanea tarda Porphyria cutanea tarda (PCT) is the most common subtype of porphyria. The disease is named because it is a porphyria that often presents