The stepping stone to natural history : vertebrate or back-boned animals ... . -////:///^ BARN —18THIX FLAMi£I OREAT HOKS-cD OWL. (BORO VI Rl I KIASDS. J BIRDS OF PREY. 109 Q. By what are the Insessores or PerchingBirds chiefly characterised ? A. By their short, slender legs ; the feet havingthree toes forwards and one backwards;each being furnished with a slightly curvedclaw. They are adapted for perching onboughs of trees, &c. Q. What principally distinguishes the Scansores,or Climbing Birds ? A. Their singular power of turning the out-ward or external toe backwards, which aidsthem in g
The stepping stone to natural history : vertebrate or back-boned animals ... . -////:///^ BARN —18THIX FLAMi£I OREAT HOKS-cD OWL. (BORO VI Rl I KIASDS. J BIRDS OF PREY. 109 Q. By what are the Insessores or PerchingBirds chiefly characterised ? A. By their short, slender legs ; the feet havingthree toes forwards and one backwards;each being furnished with a slightly curvedclaw. They are adapted for perching onboughs of trees, &c. Q. What principally distinguishes the Scansores,or Climbing Birds ? A. Their singular power of turning the out-ward or external toe backwards, which aidsthem in grasping, and gives them the ap-pearance of having two toes before and twobehind. Q. What are the chief features of the Rasoresor Scratching Birds? A. They have generally long necks, short mus-cular wings, stout legs, large feet, havingthe three front toes joined at the base by asmall membrane, while the hinder toe israised a little above the others. Some ofthe male birds are crested. Q. By what are the Cursores,or Running Birdsdistinguished ? A. By the extraordinary
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Keywords: ., bookcentury1800, bookdecade1850, bookpublisherlondo, bookyear1856
