. The first book of birds; . CHKKWINK, OR TOWHEE HIS BODY 93 Birds have very large gullets. In many casesthey lead into a place called the crop, where foodis kept before it goes into the stomach. Some-times the food is made soft in the crop, and thenfed to the young ones, as I told you. Birds have no teeth, yet they eat hard seeds,like acorns and grains of corn. To break theseup, and get them ready for the stomach, theyhave a gizzard, which is a sort of to help in the work of grinding they swal-low small stones. One of the wonderful things about birds is theheight at which th
. The first book of birds; . CHKKWINK, OR TOWHEE HIS BODY 93 Birds have very large gullets. In many casesthey lead into a place called the crop, where foodis kept before it goes into the stomach. Some-times the food is made soft in the crop, and thenfed to the young ones, as I told you. Birds have no teeth, yet they eat hard seeds,like acorns and grains of corn. To break theseup, and get them ready for the stomach, theyhave a gizzard, which is a sort of to help in the work of grinding they swal-low small stones. One of the wonderful things about birds is theheight at which they can live, and not only live,but fly. A man cannot go higher than twenty-two or twenty-three hundred feet, while movingabout or exercising, because the air is so rare hecannot breathe. The highest a man was everknown to go and live, it is said, w^as less thanthirty thousand feet, and that was in a balloon,where he did not move. But birds go a good deal higher than this,and can fly — which is violent exercise — atthat h
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Keywords: ., bookcentury1800, bookdecade1890, bookidfirstboo, booksubjectbirds
