Day Species Rarity Score January 1, 2021 Pied-billed Grebe 2 January 2, 2021 Field Sparrow 1 January 3, 2021 Herring Gull 1 January 4, 2021 Common Eider 2 January 5, 2021 Downy WoodpeCker 1 January 6, 2021 Mottled DuCk 1 January 7, 2021 Vermilion FlyCatCher 2 January 8, 2021 Fox Sparrow 1 January 9, 2021 Ruddy DuCk 2 January 10, 2021 Northern Shoveler 2 January 11, 2021 Orange-Crowned Warbler 1 January 12, 2021 Canyon Towhee 3 January 13, 2021 Red-throated Loon 1 January 14, 2021 Common Ground-Dove 2 January 15, 2021 Pine Siskin 1 January 16, 2021 Belted Kingfisher 1 January 17, 2021 Barred Owl 1 January 18, 2021 Sedge Wren 3 January 19, 2021 Northern Shrike 2 January 20, 2021 Common Goldeneye 1 January 21, 2021 Spotted Towhee 1 January 22, 2021 Ruby-Crowned Kinglet 2 January 23, 2021 Merlin 2 January 24, 2021 Snow Goose 3 January 25, 2021 Killdeer 1 January 26, 2021 Ring-neCked Pheasant 4 January 27, 2021 Northern Gannet 2 January 28, 2021 California Towhee 2 January 29, 2021 Great BlaCk-baCked Gull 2 January 30, 2021 Redhead 1 January 31, 2021 GlauCous-winged Gull 1 February 1, 2021 California Gull 1 February 2, 2021 Double-Crested Cormorant 1 February 3, 2021 BlaCk Phoebe 2 February 4, 2021 Loggerhead Shrike 2 February 5, 2021 Least FlyCatCher 5 February 6, 2021 White Ibis 1 February 7, 2021 Razorbill 3 February 8, 2021 Phainopepla 3 February 9, 2021 Marbled Godwit 2 February 10, 2021 Chihuahuan Raven 4 February 11, 2021 MusCovy DuCk 4 February 12, 2021 AmeriCan Tree Sparrow 1 February 13, 2021 Bushtit 1 February 14, 2021 Yellow-rumped Warbler 1 February 15, 2021 Common Redpoll 1 February 16, 2021 Great Cormorant 3 February 17, 2021 White-Crowned Sparrow 1 February 18, 2021 Greater SCaup 2 February 19, 2021 Painted Bunting 4 February 20, 2021 Great Crested FlyCatCher 4 February 21, 2021 White-throated Sparrow 2 February 22, 2021 Ring-neCked DuCk 2 February 23, 2021 Rough-legged Hawk 1 February 24, 2021 House Sparrow 1 February 25, 2021 Common Gallinule 2 February 26, 2021 Red-bellied WoodpeCker 1 February 27, 2021 AmeriCan WoodCoCk 3 February 28, 2021 Hairy WoodpeCker 1 MarCh 1, 2021 Hutton's Vireo 2 MarCh 2, 2021 Red-breasted Merganser 1 MarCh 3, 2021 Song Sparrow 1 MarCh 4, 2021 BlaCk-and-white Warbler 3 MarCh 5, 2021 Wandering Tattler 5 MarCh 6, 2021 Northern Harrier 1 MarCh 7, 2021 BlaCk-Crested Titmouse 2 MarCh 8, 2021 Cattle Egret 3 MarCh 9, 2021 BlaCk OysterCatCher 4 MarCh 10, 2021 Rusty BlaCkbird 4 MarCh 11, 2021 Curve-billed Thrasher 2 MarCh 12, 2021 Smooth-billed Ani 5 MarCh 13, 2021 TropiCal Kingbird 5 MarCh 14, 2021 Red-neCked Grebe 1 MarCh 15, 2021 Horned Lark 1 MarCh 16, 2021 Common Raven 2 MarCh 17, 2021 Yellow-throated Warbler 1 MarCh 18, 2021 Bell's Vireo 3 MarCh 19, 2021 Purple Martin 1 MarCh 20, 2021 House FinCh 1 MarCh 21, 2021 Greater Yellowlegs 2 MarCh 22, 2021 PaCifiC Wren 2 MarCh 23, 2021 Harris's Sparrow 4 MarCh 24, 2021 Crested CaraCara 4 MarCh 25, 2021 Louisiana Waterthrush 2 MarCh 26, 2021 Bonaparte's Gull 2 MarCh 27, 2021 Evening Grosbeak 3 MarCh 28, 2021 Brown-headed Cowbird 1 MarCh 29, 2021 White-tailed Kite 4 MarCh 30, 2021 AmeriCan Wigeon 1 MarCh 31, 2021 Anhinga 1 April 1, 2021 Great Kiskadee 3 April 2, 2021 European Starling 1 April 3, 2021 Brewer's BlaCkbird 3 April 4, 2021 RoCk Pigeon 2 April 5, 2021 Great-tailed GraCkle 2 April 6, 2021 Mallard 1 April 7, 2021 Gambel's Quail 2 April 8, 2021 Little Blue Heron 2 April 9, 2021 Western Kingbird 1 April 10, 2021 Prairie Warbler 4 April 11, 2021 Eurasian Collared-Dove 2 April 12, 2021 Calliope Hummingbird 3 April 13, 2021 BlaCk-baCked WoodpeCker 5 April 14, 2021 California Thrasher 4 April 15, 2021 Common Merganser 1 April 16, 2021 Wilson's Snipe 1 April 17, 2021 Green Parakeet 5 April 18, 2021 Common GraCkle 1 April 19, 2021 BlaCk-bellied Plover 1 April 20, 2021 Palm Warbler 1 April 21, 2021 PaCifiC-slope FlyCatCher 2 April 22, 2021 Wood Thrush 3 April 23, 2021 Western Sandpiper 2 April 24, 2021 Pileated WoodpeCker 1 April 25, 2021 InCa Dove 3 April 26, 2021 Band-tailed Pigeon 3 April 27, 2021 Plain ChaChalaCa 5 April 28, 2021 Ovenbird 1 April 29, 2021 Red-breasted SapsuCker 4 April 30, 2021 BlaCk-Chinned Hummingbird 2 May 1, 2021 Yellow-bellied SapsuCker 3 May 2, 2021 Western Grebe 3 May 3, 2021 Warbling Vireo 1 May 4, 2021 Cinnamon Teal 3 May 5, 2021 Ash-throated FlyCatCher 2 May 6, 2021 AmeriCan AvoCet 2 May 7, 2021 Swainson's Thrush 1 May 8, 2021 Green Heron 1 May 9, 2021 Mute Swan 3 May 10, 2021 Wood Stork 4 May 11, 2021 Blue-gray GnatCatCher 1 May 12, 2021 Chestnut-sided Warbler 2 May 13, 2021 Willet 4 May 14, 2021 Costa's Hummingbird 3 May 15, 2021 BulloCk's Oriole 3 May 16, 2021 Long-billed Curlew 3 May 17, 2021 Yellow-headed BlaCkbird 3 May 18, 2021 Nuttall's WoodpeCker 4 May 19, 2021 BlaCkpoll Warbler 1 May 20, 2021 Verdin 3 May 21, 2021 Wrentit 4 May 22, 2021 Pink-footed Shearwater 5 May 23, 2021 Five-striped Sparrow 5 May 24, 2021 Yellow-billed CuCkoo 1 May 25, 2021 Northern Rough-winged Swallow 2 May 26, 2021 Northern MoCkingbird 1 May 27, 2021 Northern Parula 2 May 28, 2021 Brant 4 May 29, 2021 Townsend's Solitaire 5 May 30, 2021 Eastern Kingbird 1 May 31, 2021 Common Tern 2 June 1, 2021 Wood DuCk 2 June 2, 2021 Eastern Meadowlark 1 June 3, 2021 Worm-eating Warbler 2 June 4, 2021 Tree Swallow 1 June 5, 2021 Ruby-throated Hummingbird 1 June 6, 2021 Henslow's Sparrow 4 June 7, 2021 Royal Tern 3 June 8, 2021 Cedar Waxwing 1 June 9, 2021 California Quail 3 June 10, 2021 BlaCk-throated Blue Warbler 2 June 11, 2021 Summer Tanager 2 June 12, 2021 White-eyed Vireo 2 June 13, 2021 OrChard Oriole 1 June 14, 2021 BlaCk-billed CuCkoo 2 June 15, 2021 Acadian FlyCatCher 1 June 16, 2021 Northern Cardinal 1 June 17, 2021 Laughing Gull 2 June 18, 2021 Western Meadowlark 2 June 19, 2021 Eastern Phoebe 2 June 20, 2021 Chimney Swift 1 June 21, 2021 BlaCkburnian Warbler 2 June 22, 2021 Swainson's Hawk 2 June 23, 2021 Eastern Towhee 1 June 24, 2021 Acorn WoodpeCker 3 June 25, 2021 BlaCk-bellied Whistling-DuCk 2 June 26, 2021 Indigo Bunting 1 June 27, 2021 Green-tailed Towhee 2 June 28, 2021 Red-eyed Vireo 1 June 29, 2021 AmeriCan Bittern 4 June 30, 2021 Hooded Oriole 3 July 1, 2021 Saltmarsh Sparrow 4 July 2, 2021 Yellow Warbler 2 July 3, 2021 Mountain ChiCkadee 2 July 4, 2021 Clay-Colored Sparrow 4 July 5, 2021 Cordilleran FlyCatCher 2 July 6, 2021 Blue Grosbeak 2 July 7, 2021 BlaCk Tern 4 July 8, 2021 Rufous Hummingbird 2 July 9, 2021 Forster's Tern 3 July 10, 2021 Violet-green Swallow 1 July 11, 2021 AmeriCan Redstart 3 July 12, 2021 DiCkCissel 2 July 13, 2021 Canada Goose 2 July 14, 2021 Common Yellowthroat 1 July 15, 2021 Pine Warbler 4 July 16, 2021 Broad-tailed Hummingbird 3 July 17, 2021 Western Tanager 2 July 18, 2021 Eastern Wood-Pewee 1 July 19, 2021 Yellow-Crowned Night-Heron 3 July 20, 2021 Eastern Whip-poor-will 4 July 21, 2021 Barn Swallow 1 July 22, 2021 Osprey 2 July 23, 2021 Red-winged BlaCkbird 1 July 24, 2021 Pinyon Jay 4 July 25, 2021 Scissor-tailed FlyCatCher 2 July 26, 2021 Swamp Sparrow 3 July 27, 2021 Cliff Swallow 1 July 28, 2021 CaCtus Wren 4 July 29, 2021 Dusky FlyCatCher 5 July 30, 2021 Willow FlyCatCher 2 July 31, 2021 Least Bittern 3 August 1, 2021 White-winged Dove 2 August 2, 2021 BlaCk-throated Sparrow 4 August 3, 2021 Northwestern Crow 4 August 4, 2021 Red-shouldered Hawk 1 August 5, 2021 BlaCk-throated Gray Warbler 4 August 6, 2021 Chestnut-baCked ChiCkadee 4 August 7, 2021 Western Wood-Pewee 2 August 8, 2021 BlaCk-headed Grosbeak 2 August 9, 2021 SandwiCh Tern 2 August 10, 2021 Hermit Warbler 3 August 11, 2021 Wilson's Warbler 2 August 12, 2021 Ruddy Turnstone 2 August 13, 2021 Great Egret 1 August 14, 2021 Greater Roadrunner 2 August 15, 2021 Golden-Crowned Kinglet 4 August 16, 2021 Ridgway's Rail 5 August 17, 2021 Lesser Yellowlegs 2 August 18, 2021 BlaCk Skimmer 2 August 19, 2021 Wilson's Phalarope 2 August 20, 2021 Solitary Sandpiper 1 August 21, 2021 Sagebrush Sparrow 5 August 22, 2021 Golden Eagle 4 August 23, 2021 Trumpeter Swan 3 August 24, 2021 Carolina Wren 1 August 25, 2021 Western Gull 3 August 26, 2021 Roseate Spoonbill 2 August 27, 2021 AmeriCan Kestrel 2 August 28, 2021 Chipping Sparrow 1 August 29, 2021 Prothonotary Warbler 4 August 30, 2021 Brown PeliCan 2 August 31, 2021 Spotted Sandpiper 1 September 1, 2021 Caspian Tern 2 September 2, 2021 Bay-breasted Warbler 2 September 3, 2021 PeCtoral Sandpiper 2 September 4, 2021 Sandhill Crane 4 September 5, 2021 Common Nighthawk 1 September 6, 2021 Broad-winged Hawk 2 September 7, 2021 Eastern Bluebird 2 September 8, 2021 Veery 2 September 9, 2021 Gray Catbird 1 September 10, 2021 Northern Waterthrush 1 September 11, 2021 Clapper Rail 2 September 12, 2021 Yellow-bellied FlyCatCher 3 September 13, 2021 Semipalmated Plover 1 September 14, 2021 Tufted Titmouse 1 September 15, 2021 Virginia Rail 4 September 16, 2021 Red-breasted NuthatCh 2 September 17, 2021 Lesser GoldfinCh 2 September 18, 2021 Blue-winged Teal 3 September 19, 2021 AmeriCan Coot 2 September 20, 2021 Mourning Dove 1 September 21, 2021 Greater White-fronted Goose 4 September 22, 2021 Tennessee Warbler 3 September 23, 2021 Sharp-shinned Hawk 2 September 24, 2021 Scarlet Tanager 3 September 25, 2021 Scott's Oriole 5 September 26, 2021 Nashville Warbler 1 September 27, 2021 Brown Thrasher 2 September 28, 2021 Magnolia Warbler 1 September 29, 2021 Carolina ChiCkadee 2 September 30, 2021 Green-winged Teal 2 OCtober 1, 2021 AmeriCan Golden-Plover 5 OCtober 2, 2021 Ring-billed Gull 1 OCtober 3, 2021 Blue-headed Vireo 3 OCtober 4, 2021 TriColored Heron 2 OCtober 5, 2021 Fish Crow 3 OCtober 6,