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ZEISS DTI thermal imaging cameras. For more discoveries at night, and during the day.

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  1. Black Swallowtails, Male left, Female right

    Black Swallowtails, Male left, Female right

    Black Swallowtail Butterflies (Papilio polyxenes: Papilionidae) male left, female right. Wingspan 6.4-10.2 cm (2.5-4.0 in).
  2. Swainson's Hawk

    Swainson's Hawk

    Swainson’s Hawk (Buteo swainsoni)
  3. Least Sandpiper

    Least Sandpiper

    Least Sandpiper (Calidris minutilla)
  4. American Coot Water Striding

    American Coot Water Striding

    American Coot (Fulica americana americana) Water Striding.
  5. Green Heron

    Green Heron

    Green Heron (Butorides virescens virescens) His parents named him Spike but all of his friends call him Punky.
  6. Great Egret

    Great Egret

    Great Egret (Ardea alba egretta) with its catch.
  7. Solitary Sandpiper

    Solitary Sandpiper

    Solitary Sandpiper (Tringa solitaria solitaria) breeding plumage.
  8. Chimney Swift

    Chimney Swift

    Chimney Swift (Chaetura pelagica)
  9. Anise Swallowtail (Papilio zelicaon)

    Anise Swallowtail (Papilio zelicaon)

    This attractive common species ranges across western North America. The widespread naturalization of introduced Sweet Fennel (Foeniculum vulgare) may account for its being so widespread. This is the typical yellow form. A black form also occurs with reduced yellow striping. Formerly "P. gothica."
  10. Barn Swallow, Male

    Barn Swallow, Male

    Barn Swallow (Hirundo rustica erythrogaster) male.
  11. Sun Cup (Taraxia ovata)

    Sun Cup (Taraxia ovata)

    A fairly common low growing member of the Evening Primrose family native to coastal California from Humboldt to San Luis Obispo Counties. Sometimes called "Golden Eggs." Formerly placed in the genus "Oenothera" or "Camissonia." Its leaves are edible but reportedly act as a mild laxative.
  12. Red-shouldered Hawk

    Red-shouldered Hawk

    Red-shouldered Hawk (Buteo lineatus lineatus) with a baby Red-eared Slider (turtle).
  13. Least Sandpiper

    Least Sandpiper

    Least Sandpiper (Calidris minutilla)
  14. Grand-collared Darkling Beetle (Eleodes grandicollis)

    Grand-collared Darkling Beetle (Eleodes grandicollis)

    Restricted to California and Nevada, this one has no English name so I made one up. Sometimes called Stink-beetles or Desert Stink-beetles they are famous for squirting a foul smelling toxic acid from their rear which can burn the skin of potential predators.
  15. Golden-crowned Sparrow

    Golden-crowned Sparrow

    In full breeding plumage for only a short time before they migrate back north to breed. A common wintering sparrow in most of California, they usually remain through the end of April. They sing throughout the year, a melancholy "Oh dear me" or "Three blind mice." However hard-luck gold miners in...
  16. Baird's Sandpiper

    Baird's Sandpiper

    Baird’s Sandpiper (Calidris bairdii) Having a hard time standing up with the gusting wind.
  17. Pigeon Guillemot

    Pigeon Guillemot

    An adult in breeding plumage, the striking bright red mouth lining and tongue are not visible unless they are calling. California birds are the race "C. c. eureka" which are smaller with shorter wings, but with a longer bill than populations breeding further north. These distinctive alcids nest...
  18. Cave Swallow

    Cave Swallow

    Cave Swallow (Hirundo fulva)
  19. Chimney Swift

    Chimney Swift

    Chimney Swift (Chaetura pelagica)
  20. Barn Swallow

    Barn Swallow

    Barn Swallow (Hirundo rustica erythrogaster) after an insect. Wolf Pen Creek Park, College Station, Brazos County, Texas, USA. Post Oak Savanna vegetation area, open manicured park with Wolf Pen Creek and a small riparian at 79 m (259 ft) elevation. April 2024
  21. Margined White (Pieris marginalis)

    Margined White (Pieris marginalis)

    Note the dark vein outlines on the underside of the wing. Formerly lumped with Green-veined White (P. napi) of Europe and Mustard White (Pieris oleracea) of northeastern North America, it is now recognized as a separate species inhabiting western North America. This is the spring form which has...
  22. American Kestrel, Female

    American Kestrel, Female

    American Kestrel (Falco sparverius sparverius) female.
  23. Hooded Oriole

    Hooded Oriole

    Supposedly named for its orange hood, but seems like a misnomer. A proper "hood" should be dark. Historically, these orioles' northern limit was Southern California, but the planting of California Fan Palms (Washingtonia filifera) into Northern California allowed this Palm specialist to expand...
  24. Blue Jay

    Blue Jay

    Blue Jay (Cyanocitta cristata) perched in a water hickory (Carya aquatica: Juglandaceae) over a bog.
  25. Mallard

    Mallard

    Abundant and widespread across the northern hemisphere, this is a female with a newly hatched brood. Waterfowl chicks are precocial, covered with down feathers, eyes open and feeding themselves immediately after hatching. Most birds have altricial young, hatched blind, naked, totally helpless...
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