. 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. Xearlj half a centur}^ ago Prof. I). Treadwell called attention to the greatfood requirements of theyoung Robin. Two youngbirds 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. Xearlj half a centur}^ ago Prof. I). Treadwell called attention to the greatfood requirements of theyoung Robin. Two youngbirds 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. ., ^ ^ ^> until on the seventh day itwas given thirty-one angleworms; 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 own weight of beef in a day. \t^/ llT^^^ A young man eating at ^■^-Jf - *.»t.« >^\\this rate would consume /al)out seventy pounds ofbeefsteak daily. TheRobin even when fu
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