. The bird, its form and function . Vu;. ;;.¥). i:t; )f Screech ( )\\1 time, and is assisted, in respect to the later eggs andfledglings, l)y the warmth of the older young in the parrots are a wide-spread and numerous tiibe,and none of the larger sj^ecies need lay more than twoor three eggs, for they ])rotect them in deej) holes in theearth or in trees, and are able to defend them; but son:eof the smaller parrakeets lay as many as twehe eggs,reflecting the greater dangers with which the> lune to 442 The Bird contend. Toucans are able to get along with a pair ofeggs; while a hornbil
. The bird, its form and function . Vu;. ;;.¥). i:t; )f Screech ( )\\1 time, and is assisted, in respect to the later eggs andfledglings, l)y the warmth of the older young in the parrots are a wide-spread and numerous tiibe,and none of the larger sj^ecies need lay more than twoor three eggs, for they ])rotect them in deej) holes in theearth or in trees, and are able to defend them; but son:eof the smaller parrakeets lay as many as twehe eggs,reflecting the greater dangers with which the> lune to 442 The Bird contend. Toucans are able to get along with a pair ofeggs; while a hornbill, by sealing its mate up in its littlearboreal cavern during nidification, is so adequatelyprotected that one to three eggs in each family sufficeto keep the race going, since practically every young. Fig. 351.—Burrowing Owl at nesting hole. bird is ]:>rought to n}aturity. Of the host of smaller andweaker birds nesting in cavities, two to five eggs are theusual quota. This brings us to the tribes of little singingbirds with which we started, whose average is aboutfive; but a few interesting exce])tions may be whippoonvills and night-hawks, for instance, layonly two eggs. These are placed on the ground in the The Eggs of Birds 443 woods, surrounded by no nest, and are so precisely thecolour of the dead leaves that nothing but the merestaccident would lead to their discovery by the eye same is eminently true of the bird itself. None ofthe almost uncatchable hummingbirds needs to laymore than two eggs in order to recruit the ranks of its
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Keywords: ., bookauthorbeebewil, bookcentury1900, bookdecade1900, bookyear1906
