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Agelaius phoeniceus
1
Alauda arvensis
1
Anthus pratensis
1
Anthus trivialis
1
Aphelocoma californica
1
Baelophus inornatus
1
Calcarius lapponicus
1
Canopy cover
1
Carduelis cannabina
1
Certhia americana
Certhia brachydactyla
1
Chamaea fasciata
1
Emberiza citrinella
1
Empidonax flaviventris
1
Geothlypis trichas
1
Glaucidium passerinum
1
Habitat preferences
1
Haemorhous mexicanus
1
Hylocichla mustelina
1
Icterus bullockii
1
Junco hyemalis
1
Lanius collurio
1
Leuconotopicus borealis
1
Lophophanes christatus
1
Melanerpes lewis
1
Melowspiza melodia
1
Methods
1
Molothus ater
1
Myiarchus cineascens
1
Pavo muticus
1
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