1/birds/california-gnatcatcher-polioptila-californica/photos/623/details?type=BirdPhoto/birds/california-gnatcatcher-polioptila-californica/photos/623/photo_info_content?type=BirdPhotoAdult male in alternate plumage (March) from southern Baja population. Males of this population are paler gray, especially their underparts.
2/birds/california-gnatcatcher-polioptila-californica/photos/624/details?type=BirdPhoto/birds/california-gnatcatcher-polioptila-californica/photos/624/photo_info_content?type=BirdPhotoAdult male in alternate plumage (March) from southern Baja population. Males of this population are paler gray, especially their underparts.
3/birds/california-gnatcatcher-polioptila-californica/photos/14802/details?type=BirdPhoto/birds/california-gnatcatcher-polioptila-californica/photos/14802/photo_info_content?type=BirdPhotoAfter hatch-year female in basic plumage (March)
4/birds/california-gnatcatcher-polioptila-californica/photos/14803/details?type=BirdPhoto/birds/california-gnatcatcher-polioptila-californica/photos/14803/photo_info_content?type=BirdPhotoMale in alternate plumage (March).
5/birds/california-gnatcatcher-polioptila-californica/photos/14805/details?type=BirdPhoto/birds/california-gnatcatcher-polioptila-californica/photos/14805/photo_info_content?type=BirdPhotoAfter hatch-year male in alternate plumage (March)