. Bird-life : a guide to the study of our common birds . Fig. 19.—Probelike bill of Wooflcock, showiui? extent to which upper mandi-ble can be moved. (2/3 natural size.) when it may be six inches in length and straight, oicurved downward. It has recently been learned thai. Fig. 20.—Recurved bill of Avocet. C^jz natural size.) several of these probing Snipe, notably the Woodcock,have the power of moving the end of the upper mandi- FORM AND HABIT. THE BILL. 33 bl-e, wliieh Letter enables tliem to grasp objects vv^hileprobing. In the Avocet the bill is curved upward, and tbebird swings it from si
. Bird-life : a guide to the study of our common birds . Fig. 19.—Probelike bill of Wooflcock, showiui? extent to which upper mandi-ble can be moved. (2/3 natural size.) when it may be six inches in length and straight, oicurved downward. It has recently been learned thai. Fig. 20.—Recurved bill of Avocet. C^jz natural size.) several of these probing Snipe, notably the Woodcock,have the power of moving the end of the upper mandi- FORM AND HABIT. THE BILL. 33 bl-e, wliieh Letter enables tliem to grasp objects vv^hileprobing. In the Avocet the bill is curved upward, and tbebird swings it from side to side, scraping the bottom inits search for food. The NewZealand Wrjbill has its billturned to the right for the ter-minal third, and the bird usesit as a crooked probe to pushunder stones in hunting for itsprej. The Siberian Spoonbill ^--^-?^,^Ji^^/^°-Sandpiper has a most singular bill, which is much enlarged at the end, suggesting aflat-ended forceps. The Koseate Spoon!all. an entirelydifferent bird, has a somewhat similarly shaped bill, astriking instance of the occurrence of the same form infamilies which are not closely related. But probably the most remarkable instance of relation
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Keywords: ., bookcentury1900, bookdecade1900, booksubjectbirdsun, bookyear1901
