. 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 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. I). Treadwell called attention to the greatfood requirements of theyoung Robin. Two j^oungbirds from the nest wereselected for his soon died
. 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 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. I). Treadwell called attention to the greatfood requirements of theyoung Robin. Two j^oungbirds from the nest wereselected for his soon died of starvation,as the supply of food giventhem at first was much toosmall. The food of the re-maining bird was graduallyFig. 21. - A young Woodcock, ready to increased from day to day, leave the nest. ,., ,, ,, i i .i until on the seventh day itwas ofiven thirtv-one anoleworms; but there was no increasein its weight until, on the fourteenth day, it received sixty-eight 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 consumeabout seventy pounds ofbeefsteak daily. TheRobin even when fullgrown required one-thirdof its weight
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Keywords: ., bookcentury1900, bookdecade1910, booksubjectbirds, bookyear1913