The author obtained a Rough-legged Buzzard, Buteo lagopus pallidus, shot alive 7 December 1954 at Hanno-gawa, Kahoku-machi, Momou-gun, Miyagi Prefecture. Its feeding behavior for various foods, fish meat, rat, mink, bird, frog, sanke, and animal meat, etc., are reported. The bird was first fed with fish but later disliked it and frog or snake, though they were finally eaten. It took 1325g. of food at a time and 2kg. a day. Fatty meat was not its taste. After it ate a poisoned rat, given by mistake, it dared a 8-days fast and after this it used to throw animal's viscera. Showed inherent skill in catching a thrown food, drank water almost every morning, and took small pebbles when sprinkled in the cage. Reported also about its pellet, which is digorged 24-60 hours (usually 24-36 hours for feathers) after the food was taken.