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,
Otis Blackwell Otis Blackwell Otis Blackwell (February 16, 1931 – May 6, 2002) was an African-American songwriter, singer, and pianist, whose work significantly influenced rock and roll. His compositions include "Fever", recorded by Little Willie John; "Great Balls of Fire" and "Breathless", recorded by Jerry Lee Lewis; "Don't Be Cruel", "All Shook Up" and "Return to Sender" (with Winfield Scott), recorded by Elvis Presley; and "Handy Man", recorded by Jimmy Jones. He is not to be confused with the songwriter and record producer Robert "Bumps" Blackwell. Blackwell was born in Brooklyn, New York. He learned to play the piano as a child