Falco sparverius


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Noun1.Falco sparverius - small North American falconFalco sparverius - small North American falcon    
falcon - diurnal birds of prey having long pointed powerful wings adapted for swift flight
Falco, genus Falco - a genus of Falconidae
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-- -- -- -- -- -- AVES Perdix perdix -- -- -- 4.3 3.2 10.8 Falco sparverius -- -- -- 4.3 3.2 4.3 Fulica americana -- -- -- -- -- -- Colaptes auratus -- -- -- 4.3 3.2 4.7 Picoides villosus -- -- -- 4.3 3.2 2.5 Sialia mexicana -- -- -- -- -- -- Unidentified large birds -- -- -- -- -- -- Unid.
Experimental infection of a North American raptor, American kestrel (Falco sparverius), with highly pathogenic avian influenza virus (H5N1).
Raptors were lacking except for Falco sparverius (American Kestrel).
A distal ulna of a falcon (SBMNH 770) seems slightly large for Falco sparverius and is here tentatively assigned to the slightly larger species F.
1600 h, the junior author and two colleagues were present when an adult red-tailed hawk captured and killed an adult female American kestrel (Falco sparverius) at Lemon Tank, San Clemente Island.
Similar results have been reported for American kestrels (Falco sparverius Linneaus), where early in the breeding season, most sex-biased broods were biased towards males and the reverse was true later in the breeding season (Smallwood and Smallwood, 1998).
Species 1995 1996 1 -- Nycticorax violaceus -- 1(0.28) 2 -- Cathartes aura 8(2.46) 10(2.88) 3 -- Buteo jamaicensis 2(0.61) 1(0.28) 4 -- Falco sparverius -- 2(0.57) 5 -- Callipepla squamata 15(4.61) 4(1.15) 6 -- Zenaida macroura 23(7.07) 16(4.61) 7 -- Bubo virginianus 1(0.30) -- 8 -- Chordeiles acutipennis 26(8.00) 17(4.89) 9 -- Archilochus alexandri 3(0.92) 3(0.82) 10 -- Picoides scalaris 3(0.92) 11(3.17) 11 -- Empidonax minimus -- 2(0.57) 12 -- E.
For instance, insect-eating species such as the American kestrel (Falco sparverius) and Swainson's hawk (Buteo swainsoni) depart each autumn when their insect food disappears.