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Oregon Department of Fish & Wildlife: 0196_bushtit_munsel_ODFW
Oregon Department of Fish & Wildlife: 3317_black-capped_chickadee_munsel_odfw
Oregon Department of Fish & Wildlife: 3322_red-breasted_nuthatch_male_odfw
Oregon Department of Fish & Wildlife: mountain_chickadee_wray
Oregon Department of Fish & Wildlife: mtn_chickadee_wray
Oregon Department of Fish & Wildlife: white_breasted_nuthatch_wray
Oregon Department of Fish & Wildlife: 1305_chestnut-backed_chickadee_munsel