Casual observations around Carlsbad and morning birding at area reservoirs (Lake Avalon, Brantley Lake and Six Mile Dam) on May 5 and at Rattlesnake Springs on May 6.
Species Max count/# of days Eared Grebe Podiceps nigricollis 4/ 1 Western Grebe Aechmophorus occidentalis 1/ 1 Clark's Grebe Aechmophorus clarkii 1/ 1 American White Pelican Pelecanus erythrorhynchos 7/ 1 Double-crested Cormorant Phalacrocorax auritus 1/ 1 Great Blue Heron Ardea herodias 3/ 1 Great Egret Ardea alba 2/ 1 Snowy Egret Egretta thula 12/ 1 Green Heron Butorides virescens 3/ 2 Green-winged Teal Anas crecca 10/ 1 Mallard Anas platyrhynchos 4/ 2 Northern Shoveler Anas clypeata 27/ 1 Gadwall Anas strepera 2/ 1 American Wigeon Anas americana 3/ 1 Ruddy Duck Oxyura jamaicensis 30/ 1 Turkey Vulture Cathartes aura 25/ 5 Osprey Pandion haliaetus 1/ 1 Northern Harrier Circus cyaneus 1/ 1 Swainson's Hawk Buteo swainsoni 4/ 2 ?Ring-necked Pheasant h/ 1 (not so) Wild Turkey 16/ 1 Scaled Quail Callipepla squamata 5/ 2 American Coot Fulica americana 30/ 2 Killdeer Charadrius vociferus 8/ 1 Black-necked Stilt Himantopus mexicanus 1/ 1 Spotted Sandpiper Actitis macularia 4/ 1 Long-billed Dowitcher Limnodromus scolopaceus 8/ 1 Wilson's Phalarope Phalaropus tricolor 7/ 1 Ring-billed Gull Larus delawarensis 2/ 1 Forster's Tern Sterna forsteri 1/ 1 Rock Dove Columba livia 10/ 4 White-winged Dove Zenaida asiatica 4/ 5 Mourning Dove Zenaida macroura 35/ 5 Inca Dove Columbina inca 3/ 3 Greater Roadrunner Geococcyx californianus 3/ 2 Barn Owl Tyto alba 1/ 1 probable small owl 1/ 1 Burrowing Owl Athene cunicularia 2/ 1 Lesser Nighthawk Chordeiles acutipennis 8/ 4 Black-chinned Hummingbird Archilochus alexandri 6/ 2 Ladder-backed Woodpecker Picoides scalaris 4/ 2 Western Wood-Pewee Contopus sordidulus 4/ 1 empidonax sp. 1/ 2 Black Phoebe Sayornis nigricans 1/ 1 Say's Phoebe Sayornis saya 1/ 2 Vermilion Flycatcher Pyrocephalus rubinus 4/ 1 Ash-throated Flycatcher Myiarchus cinerascens 2/ 2 Western Kingbird Tyrannus verticalis 20/ 4 Horned Lark Eremophila alpestris 2/ 1 Violet-green Swallow Tachycineta thalassina 1/ 1 Northern Rough-winged Swallow Stelgidopteryx serripennis 3/ 1 Cliff Swallow Petrochelidon pyrrhonota 20/ 2 Barn Swallow Hirundo rustica 20/ 5 Blue Jay Cyanocitta cristata 1/ 1 Chihuahuan Raven Corvus cryptoleucus 10/ 2 Cactus Wren Campylorhynchus brunneicapillus 1/ 1 House Wren Troglodytes aedon 1/ 1 Ruby-crowned Kinglet Regulus calendula 2/ 1 Hermit Thrush Catharus guttatus 1/ 1 American Robin Turdus migratorius 1/ 4 Northern Mockingbird Mimus polyglottos 30/ 4 Curve-billed Thrasher Toxostoma curvirostre 1/ 2 European Starling Sturnus vulgaris 15/ 5 Bell's Vireo Vireo bellii 3/ 2 Plumbeous Vireo Vireo plumbeus 2/ 1 Warbling Vireo Vireo gilvus 2/ 1 Red-eyed Vireo Vireo olivaceus 1/ 1 Yellow Warbler Dendroica petechia 6/ 3 Yellow-rumped Warbler Dendroica coronata 6/ 2 Townsend's Warbler Dendroica townsendi 2/ 1 Black-and-white Warbler Mniotilta varia 1/ 1 Northern Waterthrush Seiurus noveboracensis 1/ 1 MacGillivray's Warbler Oporornis tolmiei 2/ 1 Common Yellowthroat Geothlypis trichas 4/ 1 Wilson's Warbler Wilsonia pusilla 10/ 1 Yellow-breasted Chat Icteria virens 10/ 2 Summer Tanager Piranga rubra 8/ 1 Western Tanager Piranga ludoviciana 3/ 1 Northern Cardinal Cardinalis cardinalis 4/ 1 Pyrrhuloxia Cardinalis sinuatus 6/ 1 Black-headed Grosbeak Pheucticus melanocephalus 1/ 1 Blue Grosbeak Guiraca caerulea 1/ 1 Painted Bunting Passerina ciris 3/ 1 Green-tailed Towhee Pipilo chlorurus 1/ 1 Canyon Towhee Pipilo fuscus 1/ 1 Cassin's Sparrow Aimophila cassinii 6/ 1 Chipping Sparrow Spizella passerina 10/ 2 Vesper Sparrow Pooecetes gramineus 2/ 1 Lark Sparrow Chondestes grammacus 20/ 3 Black-throated Sparrow Amphispiza bilineata 4/ 2 Lark Bunting Calamospiza melanocorys 10/ 2 Lincoln's Sparrow Melospiza lincolnii 1/ 1 White-crowned Sparrow Zonotrichia leucophrys 6/ 2 Red-winged Blackbird Agelaius phoeniceus 15/ 2 Eastern Meadowlark Sturnella magna 1/ 1 Yellow-headed Blackbird Xanthocephalus xanthocephalus 2/ 1 Great-tailed Grackle Quiscalus mexicanus 20/ 5 Brown-headed Cowbird Molothrus ater 20/ 2 Orchard Oriole Icterus spurius 6/ 1 Bullock's Oriole Icterus bullockii 4/ 2 House Finch Carpodacus mexicanus 40/ 5 Lesser Goldfinch Carduelis psaltria 1/ 1 House Sparrow Passer domesticus 30/ 5
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