. Life histories of North American petrels and pelicans and their allies; order Tubinares and order Steganopodes . Seal Island. Nova Scotia. A. C. Matinicus Rock, Maine. H. K. Job. Leach Petrel. For dfscription see page 331. LIFE HISTORIES OF NORTH AMERICAN PETRELS AND PELICANS. 139 colony of birds; we dug out some 30 burrows, 18 of which containeda single egg each, which were fresh, or nearly so, covered by anincubating bird. We failed to find a mated pair of birds in anyof the nests, which is usually the case before the egg is laid, fromwhich we inferred that the courtship period had
. Life histories of North American petrels and pelicans and their allies; order Tubinares and order Steganopodes . Seal Island. Nova Scotia. A. C. Matinicus Rock, Maine. H. K. Job. Leach Petrel. For dfscription see page 331. LIFE HISTORIES OF NORTH AMERICAN PETRELS AND PELICANS. 139 colony of birds; we dug out some 30 burrows, 18 of which containeda single egg each, which were fresh, or nearly so, covered by anincubating bird. We failed to find a mated pair of birds in anyof the nests, which is usually the case before the egg is laid, fromwhich we inferred that the courtship period had passed and that allthe eggs had been laid. I noticed that the entrances to many ofthe burrows were partially overgrown with vegetation, indicatingthat they had been occupied for successive seasons; undoubtedlyluch is the case; they are probably repaired, enlarged, or extendeda little each year. The burrows varied in length from a little over1 foot to 3 feet or more; the entrance, v,diicli was large enough toadmit my hand, sometimes ran straight downward for a few inches,l)ut was more often slanting inward from the side of some littleeminence or on
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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirdsno, bookyear1922
