. The bird; its form and function . Fig. 179.—Bill of Great Blue Heron. 238 The Bird of such a beak, the oysters and other large bivalvesclose with a snap, defying these birds to penetrate theirliving armour. Indeed, more than once a gull or waderhas rashly pecked at the sweet flesh, when the two tight-fitting doors have suddenly closed, pinning the bird help-. FiG. ISO. —Boat-billed 179 and ISO represent birds with slightly different feeding habits. less and holding it captive despite its struggles, untilthe rising tide has ended its life. But along comes a bird, well named Oyster


. The bird; its form and function . Fig. 179.—Bill of Great Blue Heron. 238 The Bird of such a beak, the oysters and other large bivalvesclose with a snap, defying these birds to penetrate theirliving armour. Indeed, more than once a gull or waderhas rashly pecked at the sweet flesh, when the two tight-fitting doors have suddenly closed, pinning the bird help-. FiG. ISO. —Boat-billed 179 and ISO represent birds with slightly different feeding habits. less and holding it captive despite its struggles, untilthe rising tide has ended its life. But along comes a bird, well named Oyster-catcher,and woe to the mollusks now. It allows them to closetightly upon its bill, the mandibles of which are thinlike blades, many years antedating mans mollusk is wrenched free by the sturdy bird, car-ried from the water still gripping the birds bill, and is Beaks and Bills 239 J0^ Fig. 181.—Spoonbill, with spatuiatemandibles. Fig. 182.—White Ibis, showingcurved bill.


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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirds, bookyear1906