. Bird-nesting in north-west Canada . ady laid an &g^g or two thepair generally settle into the reluctant conviction that there isno help for it, they quiet down, and things go on as if nothinghad happened. Not always, however, will they desert evenan empty nest: for some birds have discovered a way out ofthe difficulty—it is the most ingenious device imaginable, andtlie more we think of it the more astonishing it seems. Theybuild a two-story nest, leaving the obnoxious egg in the base-ment. The summer yellow bird has been known to do this. In North-West Canada. 79 Another summer yellow bird w
. Bird-nesting in north-west Canada . ady laid an &g^g or two thepair generally settle into the reluctant conviction that there isno help for it, they quiet down, and things go on as if nothinghad happened. Not always, however, will they desert evenan empty nest: for some birds have discovered a way out ofthe difficulty—it is the most ingenious device imaginable, andtlie more we think of it the more astonishing it seems. Theybuild a two-story nest, leaving the obnoxious egg in the base-ment. The summer yellow bird has been known to do this. In North-West Canada. 79 Another summer yellow bird was known to build a story toher nest, leaving the cowbirds egg in the cellar, and then,finding another cowbirds Qgg violating her premises, she forth-with iDuilt a second story, and finally laid her own eggs on thetop flat, leaving the two cowbirds eggs in the two lower storiesto addle. The eggs of the cowbird vary considerably both insize, colour and markings, but are so connnon and well knownas not to need a description 80 Bird-Nesting
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Keywords: ., bookcentury1800, bookdecade1890, booksubjectbirds, bookyear1892
