Field Guide to North American Flycatchers: Empidonax and Pewees
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Field Guide to North American Flycatchers: Kingbirds and Myiarchus
$19.95
from $18.66
The behavioral, ecological and morphological characteristics of two populations of the Alder Flycatcher, Empidonax Traillii (Audubon)
from $11.35
KARYOTYPES OF FIVE SPECIES OF EMPIDONAX FLYCATCHERS
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Empidonax
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Character variation and evolution of sibling species in the Empidonax difficilis-flavescens complex (Aves, Tyrannidae) (University of California publications in zoology ; v. 112)
$18.98
from $15.00
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