Nick Saunders/ BIA / Boreal Owl (Aegolius funereus) chicks, Saskatchewan, Canada

Nick Saunders/ BIA / Sharp-shinned Hawk (Accipiter striatus) juvenile, Saskatchewan, Canada

Nick Saunders/ BIA / Ruddy Duck (Oxyura jamaicensis) male in courtship display, Saskatchewan, Canada

Nick Saunders/ BIA / Pine Siskin (Carduelis pinus), Saskatchewan, Canada

Nick Saunders/ BIA / Le Conte's Sparrow (Ammodramus leconteii), Saskatchewan, Canada

Nick Saunders/ BIA / Willow Ptarmigan (Lagopus lagopus) in winter, Narrow Hills Provincial Park, Saskatchewan, Canada

Nick Saunders/ BIA / Willow Ptarmigan (Lagopus lagopus) in winter, Narrow Hills Provincial Park, Saskatchewan, Canada

Nick Saunders/ BIA / Yellow-bellied Sapsucker (Sphyrapicus varius) male, Saskatchewan, Canada

Nick Saunders/ BIA / Wilson's Warbler (Cardellina pusilla) male, Saskatchewan, Canada

Nick Saunders/ BIA / Red-bellied Woodpecker (Melanerpes carolinus) male, Saskatchewan, Canada

Nick Saunders/ BIA / Rusty Blackbird (Euphagus carolinus) at pond, Saskatchewan, Canada

Nick Saunders/ BIA / Orange-crowned Warbler (Oreothlypis celata), Saskatchewan, Canada

Nick Saunders/ BIA / Nashville Warbler (Oreothlypis ruficapilla), Saskatchewan, Canada

Nick Saunders/ BIA / Canada Warbler (Cardellina canadensis) female, Saskatchewan, Canada

Nick Saunders/ BIA / Burrowing Owl (Athene cunicularia), Saskatchewan, Canada

Nick Saunders/ BIA / Blue Jay (Cyanocitta cristata), Saskatchewan, Canada

Nick Saunders/ BIA / Blackpoll Warbler (Setophaga striata), Saskatchewan, Canada

Nick Saunders/ BIA / American Redstart (Setophaga ruticilla) male in autumn, Saskatchewan, Canada

Nick Saunders/ BIA / Lincoln's Sparrow (Melospiza lincolnii), Saskatchewan, Canada

Nick Saunders/ BIA / Red-winged Blackbird (Agelaius phoeniceus) male in territorial display, Saskatchewan, Canada

Nick Saunders/ BIA / Spotted Towhee (Pipilo maculatus) male calling, North Dakota

Nick Saunders/ BIA / Sharp-shinned Hawk (Accipiter striatus) juvenile, Saskatchewan, Canada

Nick Saunders/ BIA / Red-bellied Woodpecker (Melanerpes carolinus) male, Saskatchewan, Canada

Nick Saunders/ BIA / Mourning Warbler (Geothlypis philadelphia) male, Saskatchewan, Canada

Nick Saunders/ BIA / Hermit Thrush (Catharus guttatus), Saskatchewan, Canada

Nick Saunders/ BIA / Grey-cheeked Thrush (Catharus minimus), Saskatchewan, Canada

Nick Saunders/ BIA / Common Grackle (Quiscalus quiscula), Saskatchewan, Canada

Nick Saunders/ BIA / Blackpoll Warbler (Setophaga striata) male, Saskatchewan, Canada

Nick Saunders/ BIA / Baird's Sparrow (Ammodramus bairdii), Saskatchewan, Canada

Nick Saunders/ BIA / Pine Grosbeak (Pinicola enucleator) female, Saskatchewan, Canada

Nick Saunders/ BIA / Stilt Sandpiper (Calidris himantopus), Saskatchewan, Canada

Nick Saunders/ BIA / Great Grey Shrike (Lanius excubitor) flying, Saskatchewan, Canada

Nick Saunders/ BIA / Yellow Warbler (Setophaga petechia) male calling, Saskatchewan, Canada

Nick Saunders/ BIA / Cape May Warbler (Setophaga tigrina), Saskatchewan, Canada

Nick Saunders/ BIA / Canada Warbler (Cardellina canadensis) male calling, Saskatchewan, Canada

Nick Saunders/ BIA / Black-and-white Warbler (Mniotilta varia), Saskatchewan, Canada

Nick Saunders/ BIA / Bay-breasted Warbler (Setophaga castanea), Saskatchewan, Canada

Nick Saunders/ BIA / Bay-breasted Warbler (Setophaga castanea) male calling, Saskatchewan, Canada

Nick Saunders/ BIA / Mountain Pygmy-Owl (Glaucidium gnoma), Saskatchewan, Canada

Nick Saunders/ BIA / Red-naped Sapsucker (Sphyrapicus nuchalis) male with food at nest cavity, Saskatchewan, Canada

Nick Saunders/ BIA / Black-billed Cuckoo (Coccyzus erythropthalmus), Saskatchewan, Canada

Nick Saunders/ BIA / Rose-breasted Grosbeak (Pheucticus ludovicianus), Saskatchewan, Canada

Nick Saunders/ BIA / Yellow Warbler (Setophaga petechia) male calling, Saskatchewan, Canada

Nick Saunders/ BIA / Canada Jay (Perisoreus canadensis), Saskatchewan, Canada

Nick Saunders/ BIA / Pine Grosbeak (Pinicola enucleator) female feeding on berries, Saskatchewan, Canada

Nick Saunders, BIA / Red-winged Blackbird (Agelaius phoeniceus) male displaying in marsh, Saskatchewan, Canada

Nick Saunders, BIA / Red-winged Blackbird (Agelaius phoeniceus) male displaying in marsh, Saskatchewan, Canada

Nick Saunders/ BIA / Dark-eyed Junco (Junco hyemalis), Saskatchewan, Canada