Wildlife Inventory 1979 to 1987

    Spring Arrival Data: 1979-1987
    Species Avg Date Earliest Latest 1987 1986 1985 1984 1983 1982 1981 1980 1979
    Eared Grebe 11-Mar 26-Feb 22-Mar 2-Mar 15-Mar 3-Mar 26-Feb 21-Mar 13-Mar 1-Mar 5-Mar 18-Mar
    Am White Pelican 25-Apr 21-Apr 4-May 21-Apr 4-May 2-Apr n/a n/a n/a n/a n/a n/a
    American Bittern 24-Apr 9-Apr 23-May 9-May 9-Apr 16-Apr 17-Apr 12-May 23-May 18-Apr 13-Apr 14-Apr
    Great Egret 27-Apr 28-Mar 24-May 10-Apr 12-Apr 28-Mar 12-May 24-May 11-May 26-Apr 7-May 28-Apr
    Snowy Egret 28-Apr 11-Apr 8-Jun 28-Apr 24-Apr 23-Apr 11-Apr 22-Apr 19-Apr n/a 8-Jun 28-Apr
    BC Night-Heron 9-Apr 30-Mar 26-Apr 31-Mar 19-Apr 5-Apr 7-Apr 16-Apr 30-Mar 26-Apr 3-Apr n/a
    White-faced Ibis 14-Apr 5-Apr 21-Apr 18-Apr 5-Apr 19-Apr 13-Apr 16-Apr 18-Apr 12-Apr 21-Apr 8-Apr
    Blue-winged Teal 21-Mar 14-Feb 7-Apr 22-Mar 28-Mar 1-Apr 14-Feb 7-Apr 4-Apr 15-Mar 17-Mar n/a
    Cinnamon Teal 7-Mar 21-Feb 22-Mar 22-Mar 13-Mar 24-Feb 21-Feb 19-Mar 26-Feb 13-Mar 9-Mar n/a
    Turkey Vulture 10-Apr 5-Apr 17-Apr 14-Apr 5-Apr 9-Apr 7-Apr 16-Apr 17-Apr 11-Apr 5-Apr n/a
    Osprey 2-May 5-Apr 20-Jun 13-Jun 5-Apr 15-Apr 20-Apr 15-Apr 26-Apr 26-Apr 20-Jun n/a
    Swainson’s Hawk 10-Apr 1-Apr 24-Apr 5-Apr 12-Apr 1-Apr 14-Apr 24-Apr 17-Apr 11-Apr 1-Apr 6-Apr
    Sora 4-May 20-Apr 20-May 29-Apr 9-May 17-May 3-May 1-May 20-May 26-Apr 20-Apr 1-May
    American Avocet 31-Mar 25-Mar 5-Apr 5-Apr 26-Mar 1-Apr 3-Apr 2-Apr 2-Apr 25-Mar 3-Apr n/a
    Greater Yellowlegs 4-Apr 28-Mar 12-Apr 5-Apr 28-Mar 31-Mar 1-Apr 2-Apr 3-Apr 9-Apr 12-Apr 10-Apr
    Lesser Yellowlegs 11-Apr 3-Apr 20-Apr 5-Apr 6-Apr 14-Apr 13-Apr 16-Apr 3-Apr 9-Apr 20-Apr 14-Apr
    Solitary Sandpiper 27-Apr 4-Apr 22-May 28-Apr 10-May 20-Apr 27-Apr n/a 22-May 26-Apr 23-Apr 7-Apr
    Spotted Sandpiper 1-May 26-Apr 10-May 26-Apr 6-May 27-Apr 30-Apr 7-May 8-May 26-Apr 27-Apr 10-May
    Least Sandpiper 25-Apr 11-Apr 17-May 26-Apr 29-Apr n/a 26-Apr n/a 18-Apr 11-Apr 17-May 21-Apr
    Long-billed Dowitcher 11-Apr 33-Mar 27-Apr 10-Apr 22-Apr 7-Apr 26-Apr 27-Apr 18-Apr 7-Apr 22-Mar 25-Mar
    Wilson’s Phalarope 23-Apr 13-Apr 3-May 21-Apr 28-Apr 26-Apr 13-Apr 21-Apr 26-Apr 22-Apr 3-May 21-Apr
    Franklin’s Gull 23-Mar 13-Mar 1-Apr 23-Mar 13-Mar 31-Mar 1-Apr 17-Mar 27-Mar 14-Mar 1-Apr n/a
    Forster’s Tern 27-Apr 15-Apr 9-May 21-Apr 29-Apr 2-May 27-Apr 23-Apr 1-May 26-Apr 9-May 15-Apr
    Common Nighthawk 17-May 8-Apr 31-May 15-May 24-May 23-May 25-May 31-May 10-May 21-May 8-Apr 30-May
    Common Poorwill 13-May 30-Apr 22-May 5-May 30-Apr 2-May 21-May 21-May 22-May 21-May 12-May n/a
    White-throated Swift 10-Apr 1-Apr 9-May 9-May 11-Apr 4-Apr 7-Apr 1-Apr 1-Apr 11-Apr 9-Apr n/a
    Broad-tailed Hummingbird 24-Apr 16-Apr 30-Apr 24-Apr 30-Apr 16-Apr 24-Apr 25-Apr 30-Apr 24-Apr 19-Apr n/a
    Rufous Hummingbird 7-Jul 22-May 31-Jul 31-Jul 10-Jul 29-Jun 8-Jul 16-Jul 22-May 12-Jul 14-Jul 20-Jul
    Red-naped Sapsucker 12-Apr 28-Mar 4-May 29-Mar 28-Mar 4-May 22-Apr n/a n/a n/a n/a n/a
    Williamson’s Sapsucker 14-Apr 29-Mar 30-Apr 30-Apr 29-Mar 13-Apr 14-Apr 16-Apr 11-Apr 12-Apr 13-Apr 22-Apr
    Olive-sided Flycatcher 12-May 3-May 25-May 15-May 10-May 14-May 3-May 7-May 15-May 9-May 10-May 25-May
    Western Wood-Pewee 10-May 28-Apr 20-May 7-May 10-May 18-May 12-May 28-Apr 11-May 20-May 5-May n/a
    Willow Flycatcher 19-May 1-May 14-Jun 6-Jun 14-Jun 1-Jun 10-May 14-May 8-May 1-May 12-May 12-May
    Hammond’s Flycatcher 16-May 11-May 27-May 17-May 19-May 27-May 12-May 11-May 11-May 15-May 17-May 18-May
    Dusky Flycatcher 7-May 2-May 21-May 9-May 8-May 4-May 5-May 5-May 2-May 9-May 21-May n/a
    Cordilleran Flycatcher 15-May 9-May 27-May 17-May 10-May 25-May 10-May 10-May 15-May 9-May 17-May 27-May
    Says Phoebe 14-Apr 28-Mar 14-May 31-Mar 28-Mar 1-Apr 21-Apr 14-May 22-Apr 26-Apr 20-Apr 1-Apr
    Western Kingbird 15-May 9-May 24-May 14-May 18-May 14-May 24-May 14-May 21-May 9-May 12-May 12-May
    Eastern Kingbird 15-May 9-May 24-May 14-May 18-May 14-May 24-May 14-May 21-May 9-May 12-May 12-May
    Tree Swallow 7-Apr 28-Mar 22-Apr 5-Apr 28-Mar 6-Apr 15-Apr 22-Apr 10-Apr 4-Apr 12-Apr 31-Mar
    Violet-green Swallow 20-Apr 4-Apr 8-May 23-Apr 17-Apr 14-Apr 21-Apr 20-Apr 17-Apr 4-Apr 26-Apr 8-May
    N. Rough-winged Swallow 21-Apr 4-Apr 11-May 25-Apr 26-Apr 11-May 21-Apr 24-Apr 10-Apr 4-Apr 25-Apr 20-Apr
    Bank Swallow 29-Apr 4-Apr 21-May 16-May 4-May 11-May 21-Apr 21-May 22-Apr 4-Apr 12-Apr 2-May
    Cliff Swallow 2-May 44-Apr 11-May 11-May 3-May 22-Apr 3-May 6-May 9-May 26-Apr 4-May 1-May
    Barn Swallow 9-Apr 2-Apr 19-Apr 17-Apr 6-Apr 14-Apr 7-Apr 19-Apr 4-Apr 2-Apr 6-Apr n/a
    Rock Wren 17-Apr 6-Mar 5-May 5-May 1-May 27-Apr 22-Apr 6-Mar 3-Apr 18-Apr 27-Apr n/a
    House Wren 22-Apr 24-Mar 3-May 30-Apr 30-Apr 30-Apr 24-Mar 28-Apr 28-Apr 11-Apr 3-May n/a
    Blue-Gray Gnatcatcher 12-May 23-Apr 6-Jun 2-Jun 23-Apr 11-May n/a 4-May 15-May 6-Jun 14-May 26-Apr
    Western Bluebird 7-Apr 28-Feb 31-May 22-Mar 28-Feb 31-Mar 21-Apr 17-Mar 26-Mar n/a 31-May 9-May
    Mountain Bluebird 27-Feb 7-Feb 29-Mar 6-Mar 26-Feb 16-Feb 10-Mar 20-Feb 21-Feb 7-Feb 29-Mar n/a
    Swainson’s Thrush 30-Apr 14-Apr 12-May 9-May 16-Apr 27-Apr 1-May 12-May 10-May 1-May 3-May 14-Apr
    Hermit Thrush 30-Apr 13-Apr 10-May 9-May 10-May 4-May 26-Apr 3-May 13-Apr 9-May 23-Apr 1-May
    Gray Catbird 13-May 1-May 28-May 1-May 1-May 16-May 19-May 17-May 28-May 5-May 21-May 13-May
    American Pipit 24-Apr 11-Apr 6-May 17-Apr 3-May 28-Apr 28-Apr 6-May 11-Apr 26-Apr 21-Apr 22-Apr
    Loggerhead Shrike 14-Apr 5-Mar 30-Apr 24-Apr 21-Apr 5-Mar 27-Apr 30-Apr 28-Apr 11-Apr 22-Mar 27-Apr
    Plumbeous Vireo 10-May 5-May 17-May 14-May 10-May 5-May 11-May 10-May 6-May 10-May 15-May 17-May
    Warbling Vireo 10-May 26-Apr 17-May 5-May 3-May 16-May 13-May 15-May 17-May 26-Apr 17-May 16-May
    Orange-crowned Warbler 26-Apr 11-Apr 5-May 5-May 3-May 23-Apr 25-Apr 27-Apr 27-Apr 11-Apr 27-Apr 27-Apr
    Virginia’s Warbler 2-May 28-Apr 9-May 9-May 8-May 5-May 30-Apr 28-Apr 1-May 2-May 30-Apr n/a
    Yellow Warbler 1-May 17-Apr 9-May 9-May 8-May 1-May 17-Apr 4-May 5-May 1-May 25-Apr n/a
    Yellow-rumped Warbler 16-Apr 2-Apr 26-Apr 20-Apr 19-Apr 20-Apr 15-Apr 2-Apr 12-Apr 26-Apr 19-Apr 14-Apr
    MacGillivray’s Warbler 10-May 5-May 23-May 5-May 9-May 10-May 23-May 6-May 10-May 8-May 11-May 14-May
    Common Yellowthroat 30-Apr 4-Apr 9-May 9-May 9-May 8-May 29-Apr 29-Apr 6-May 4-Apr 28-Apr n/a
    Wilson’s Warbler 2-May 23-Apr 10-May 10-May 8-May 4-May 1-May 29-Apr 23-Apr 8-May 23-Apr n/a
    Yellow-breasted Chat 12-May 6-May 22-May 13-May 8-May 6-May 10-May 9-May 13-May 16-May 22-May 16-May
    Western Tanager 6-May 1-May 10-MAy 10-May 7-May 10-May 5-May 7-May 3-May 1-May 10-May n/a
    Rose-breasted Grosbeak 6-May 20-Apr 24-May 24-May 8-May 20-Apr 24-Apr 5-May 13-May 3-May 11-May 12-May
    Black-headed Grosbeak 30-Apr 31-Mar 10-May 5-May 10-May 7-May 31-Mar 1-May 10-May n/a n/a n/a
    Blue Grosbeak 21-May 16-May 30-May 16-May 18-May 18-May n/a 20-May 30-May 24-May 24-May n/a
    Lazuli Bunting 2-May 22-Apr 13-May 13-May 10-May 3-May 27-Apr 5-May 1-May 2-May 22-Apr n/a
    Indigo Bunting 12-May 20-Apr 26-May 25-May 10-May n/a 7-May 19-May 19-May 3-May 26-May 20-Apr
    Green-tailed Towhee 27-Apr 22-Apr 4-May 27-Apr 3-May 4-May 30-Apr 22-Apr 25-Apr 22-Apr 25-Apr n/a
    Chipping Sparrow 18-Apr 5-Apr 26-Apr 25-Apr 22-Apr 13-Apr 5-Apr 25-Apr 26-Apr 15-Apr 13-Apr n/a
    Clay-colored Sparrow 7-May 20-Apr 15-May n/a 10-May 20-Apr 2-May 11-May 15-May 14-May 5-May 12-May
    Brewer’s Sparrow 5-May 26-Apr 16-May 16-May 8-May 27-Apr 2-May 14-May 9-May 26-Apr 11-May 27-Apr
    Vesper Sparrow 22-Apr 18-Apr 3-May 23-Apr 3-May 18-Apr 21-Apr 20-Apr 24-Apr 18-Apr 20-Apr n/a
    Lark Sparrow 5-May 24-Apr 14-May 14-May 3-May 7-May 2-May 12-May 24-Apr 10-May 30-Apr 5-May
    Savannah Sparrow 30-Apr 2-Apr 17-May 25-Apr 10-May 28-Apr 21-Apr 28-Apr 17-May 2-Apr 14-May 12-May
    Lincoln’s Sparrow 3-May 25-Apr 12-May 2-May 3-May 12-May 29-Apr 28-Apr 25-Apr 10-May 8-May 30-Apr
    Yellow-headed Blackbird 29-Mar 1-Mar 9-Apr 31-Mar 1-Apr 30-Mar 6-Apr 9-Apr 27-Mar 3-Apr 1-Mar n/a
    Common Grackle 2-Apr 27-Mar 9-Apr 5-Apr 28-Mar 29-Mar 8-Apr 5-Apr 27-Mar 30-Mar 9-Apr n/a
    Brown-headed Cowbird 24-Apr 19-Apr 1-May 23-Apr 22-Apr 27-Apr 27-Apr 20-Apr 1-May 19-Apr 26-Apr n/a
    Bullock’s Oriole 7-May 29-Apr 14-May 12-May 9-May 2-May 11-May 29-Apr 6-May 10-May 14-May n/a
    Lesser Goldfinch 19-May 10-May 31-May 16-May 10-May 25-May 20-May 18-May 11-May 23-May 31-May 24-May

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