In Florida, avian species in the families Cardinalidae (northern cardinal, Cardinalis cardinalis), Columbidae (mourning dove, Zenaida macroura), Corvidae (blue jay, Cyanocitta cristata
), and Icteridae (common grackle, Quiscalus quiscula) are frequently exposed to SLEV (14).
blue jays (Cyanocitta cristata
), ravens (Corvus corax), marmosets (Callithrix jacchus) (Coppinger, 1969; Heinrich, 1988; Voelkl et al., 2006).
Bat predation has been reported for another corvid species, the blue jay (Cyanocitta cristata
; Hoffmeister and Downes, 1964).
(5) Despite their raucous calls, blue jays (Cyanocitta cristata
) were also common household pets, (5) probably because of their gregarious nature.
Acorn dispersal by the blue jay (Cyanocitta cristata
Learning-set behavior in the learning-set experienced blue jay (Cyanocitta cristata
Nest predation is another factor potentially affecting warbler numbers; Engels and Sexton (1994) found a negative correlation between an important nest predator in urban environments, the Blue Jay (Cyanocitta cristata
), and Golden-cheeked Warbler breeding density.
Acorn dispersal by blue jays (Cyanocitta cristata
Search image formation in the blue jay (Cyanocitta cristata
RM mL [O.sub.2]/ BW GS Family Genus/species hg g pg Muscicapidae Turdus merula 2.13 82.8 2.49 Turdus philomelos 2.49 64.9 2.18 Emberizidae Zonotrichia albicollis 2.88 22.1 2.73 Ploceidae Lonchura striata 3.71 10.3 2.84 Passer domesticus 3.10 24.7 2.49 Corvidae Cyanocitta cristata
1.85 80.8 2.86 Garrulus glandarius 1.62 153.0 2.47 Pica pica 1.41 188.3 2.50 Corvus monedula 1.56 203.7 2.49 Corvus corone 1.22 465.2 2.46 Corvus corax 1.01 1029.1 2.42 RESULTS
The common name, blue jay, actually refers to a primarily Eastern bird, Cyanocitta cristata
. The two jays that frequent Western gardens are the scrub jay and the Steller's jay (see box on page 196).
Experimental West Nile virus infection in blue jays (Cyanocitta cristata
) and crows (Corvus brachyrhynchos).