. Bird lore . THE BIRCHBARK BOX. Nesting- Boxes for the cat to hang on and reach the nest. The young birds find itrather hard to get out of such a box at first. They have to make manyattempts, and when they finally escape they are quite strong and lesslikely to be caught by cats than they would be if reared in a box fromwhich they could get out before they were fully fledged. The ordinary small bird-house that is put up for Martins or TreeSwallows must be set on a tall, slim pole, to give the birds a degree ofimmunity from the cat. These birds usually seem to prefer a houseelevated from fiftee
. Bird lore . THE BIRCHBARK BOX. Nesting- Boxes for the cat to hang on and reach the nest. The young birds find itrather hard to get out of such a box at first. They have to make manyattempts, and when they finally escape they are quite strong and lesslikely to be caught by cats than they would be if reared in a box fromwhich they could get out before they were fully fledged. The ordinary small bird-house that is put up for Martins or TreeSwallows must be set on a tall, slim pole, to give the birds a degree ofimmunity from the cat. These birds usually seem to prefer a houseelevated from fifteen to thirty feet from the ground on such a , the entrance holes are made too near the bottom or floor, andthe young birds, being nearly on a level with thedoorway, are sometimes pushed out or fall outin their eagerness for food, and so become theprey of the prowling cat. In building Martin boxes this danger may bepartially guarded against by having a little plat-form around each story, and a railing not lessthan t
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, booksubjectorn
