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  1. Close-Up Of A Maturing Cannabis Plant And Flower With Visible Trichomes, California
  2. Sugar Crystals, SEM
  3. Oregon. Columnar basalt covered with lichen along North Umpqua River
  4. Oregon, Portland. Sunlight casts shadows through hazelnut trees and dust in orchard
  5. Spirit bear, kermode, black bear, sow, British Columbia coast, Canada
  6. Common porcupine, cottonwood tree leaf, foothills of Takshanuk Mountains, Alaska
  7. Brown Bear, Grizzly Bear, Sow With Cubs, Katmai National Park, Alaskan Peninsula
  8. Spirit bear, black bear, sow walking on a log, central British Columbia coast, Canada
  9. Dall sheep rams on Mount Margaret, Denali National Park, interior of Alaska
  10. Brown bear, spring cubs, Katmai National Park, Alaskan peninsula
  11. Handmade Musical Instruments, Chania, Crete, Greece
  12. Spirit bear, black bear, sow walking, British Columbia coast, Canada
  13. Mountain Goat kids at Exit Glacier, Kenai Fjords National Park, Alaska
  14. Brown bear footprints, Katmai National Park, Alaskan peninsula
  15. Dall sheep pair foraging on a snow-covered hillside in Denali National Park, Alaska
  16. Dall sheep ewe on Mount Margaret, Denali National Park, Interior, Alaska
  17. Dall sheep ram resting on Mount Margaret, Denali National Park, Interior, Alaska
  18. Oregon, Portland. Evening light on glass towers of the Oregon Convention Center
  19. Blood Smear, Light Micrograph
  20. Caribou with Mount McKinley, Denali National Park, Interior, Alaska
  21. Grizzly bear, with rare blond bear, Katmai National Park, Alaskan peninsula
  22. Spirit bear, Kermode, sow with cub looking for salmon, central British Columbia coast
  23. Spirit bear, black bear, sow with cub walking on log, British Columbia, Canada
  24. Phosphate Crystal, SEM
  25. Colourful alleyway and entrance to Taverna Larenzo, Rethymnon Old Town, Crete, Greece
  26. Polar bear footprints on the pack ice of the frozen coastal plain, Alaska
  27. Thousands of migrating snow geese, wintering in New Mexico
  28. Spirit bear, Kermode, walking along a beach looking for salmon, central British Columbia
  29. Spirit bear, black bear, sow and cub walking on a log, British Columbia Coast, Canada
  30. Dall Sheep ram resting on a hillside, Mount Margaret, Denali National Park, Alaska
  31. Polychrome Pass Along The Kantishna Wilderness Trail In Denali National Park, Alaska
  32. Diatom Diversity, SEM
  33. Diatom Diversity, SEM
  34. Dall sheep ram and ewe on Mount Margaret, Denali National Park, Interior, Alaska
  35. Polar Bears sleeping on the pack ice, Arctic National Wildlife Refuge, Alaska
  36. Polar Bear Sow With Newborn Spring Cubs, Canning River, Alaska
  37. Spirit bear, kermode, black bear, sow with cubs, British Columbia coast, Canada
  38. Juvenile snowy owl on a beach along the arctic coast, Alaska
  39. Common Furniture Beetle
  40. Polar Bear with newborn cubs, Canning River, Arctic National Wildlife Refuge, Alaska
  41. Colorectal Cancer Cell, SEM
  42. Scenic View Of Alaska Range And Kantishna Wilderness Trail In Denali National Park
  43. Oral Bacteria, SEM
  44. Polar bear on the pack ice, 1002 area of the Arctic National Wildlife Refuge, Alaska
  45. Polar bear on pack ice of frozen coastal plain, Arctic National Wildlife Refuge, Alaska
  46. Porcupine Quill, Light Micrograph
  47. Uric Acid Crystals, SEM
  48. E. Coli Bacteria, Sem