. Useful birds and their protection. Containing brief descriptions of the more common and useful species of Massachusetts, with accounts of their food habits, and a chapter on the means of attracting and protecting birds . 44 USEFUL BIRDS. ^H^. The Amount of Food required by Young Birds. It seems necessary to the health and comfort of the nest-ling bird that its stomach be filled with food during mostof the day. Nearly half a century ago Prof. D. Treadwell called attention to the greatfood requirements of theyoung Robin. Two 3oungbirds from the nest wereselected for his soon die
. Useful birds and their protection. Containing brief descriptions of the more common and useful species of Massachusetts, with accounts of their food habits, and a chapter on the means of attracting and protecting birds . 44 USEFUL BIRDS. ^H^. The Amount of Food required by Young Birds. It seems necessary to the health and comfort of the nest-ling bird that its stomach be filled with food during mostof the day. Nearly half a century ago Prof. D. Treadwell called attention to the greatfood requirements of theyoung Robin. Two 3oungbirds from the nest wereselected for his soon died of starvation,as the sup})ly of food giventhem at first was much toosmall. The food of the re-maining bird was graduallyFig. 21. - A young Woodcock, ready to increased froui day to day, leave the nest. until on the seventh day itAvas given thirty-one angleworms; but there was no increasein its weight until, on the fourteenth day, it received worms, weighing, all told, thirty-four pennyweights.^ Later the same bird atenearly one-half its ownweight of beef in a young man eating atthis rate would consume /(about seventy pounds ofbeefsteak daily. TheRobin even when fullgrown required one-thirdof its weight of beefdail
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1913
