. A practical handbook of British birds . nd in British Isles. Averageof 50 British eggs, Max.: and : X Breeding-season.—From end April to early June,but most eggs laid in May. Incubation.—Shared by both varies from 24 to 28 days. Single brooded. Food.—Omnivorous in its diet : carrion (dead sheep, dogs, etc.)small mammals, such as young rabbits : migratingand woundedbirds (Blackbird, Lark, Corncrake, Dunlin, etc.) : eggs of coast-breeding birds especially Cormorant, Gannet, Guillemot, andB,azorbill: fish, cast up on shore : mollusca (


. A practical handbook of British birds . nd in British Isles. Averageof 50 British eggs, Max.: and : X Breeding-season.—From end April to early June,but most eggs laid in May. Incubation.—Shared by both varies from 24 to 28 days. Single brooded. Food.—Omnivorous in its diet : carrion (dead sheep, dogs, etc.)small mammals, such as young rabbits : migratingand woundedbirds (Blackbird, Lark, Corncrake, Dunlin, etc.) : eggs of coast-breeding birds especially Cormorant, Gannet, Guillemot, andB,azorbill: fish, cast up on shore : mollusca (Mactra, Mytilus, Lacuna, * Dr. J. J. Dwight, who described this form (Amer. Mus. Nov., No. 44,Sept. 6, 1922), places it as a subspecies of L. fuscus. The forms of the twospecies L. argentatus and L. fuscus intergrade both in colour of mantle andpattern of primaries and as we regard cachinnans, with its yellow legs, as asubspecies of L. argentatus I consider atlantis also as a subspecies of — Vol. II., Plate


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Keywords: ., bookcentury1900, bookdecade1920, booksubjectbirds, bookyear1920