124 ELEMENTS OF ORNITHOLOGY, 
more powerful group of Birds of Prey than that last mentioned. 
There are five-and-twenty species of the genus Falco. The 
Peregrine Falcon is the Faleon of Falconry, but our Hobby and 
our Merlin both belong to the same genus, as well as that rare 
Fig. 134. 


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The Greenland Faleon (Falco candicans). 
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visitant to our shores, the Greenland Faleon (Falco candicans). 
The Kestrel (Falco tinnunculus) is a still more familiar Bird than 
the Sparrow-hawk, from its habit of poising itself in the air, 
and remaining apparently in one place whilst rapidly moving 
