Scott Leslie / Northern Green Frog (Rana clamitans melanota) floating in water, West Stoney Lake, Nova Scotia, Canada

Scott Leslie / American Toad (Bufo americanus) calling in spring pond, West Stoney Lake, Nova Scotia, Canada. Sequence 1 of 2

Staffan Widstrand / High arctic landscape in spring, -40 degrees C, Bylot Is, Baffin Is, North West Territories, Canada, 1995

Staffan Widstrand / Tracks of Polar bear in snow {Ursus maritimus} Baffin Island, Nunavut, North West Territories, Canada

Martha Holmes / Female polar bear with cub on ice floe (Ursus maritimus) North West Territories, Canada

Staffan Widstrand / Bylot island, Baffin islands, melting sea ice in spring, Canad

Martha Holmes / Polar bear swimming near ice floe. Canada, North West Territories

Connor Stefanison / Northern pygmy owl (Glaucidium gnoma) perched on branch, Cypress Mountain, West Vancouver, British Columbia, Canada. December.

Connor Stefanison / Steller's jay (Cyanocitta stelleri) perched on a Yellow Cedar (Cupressus nootkatensis), atop Cypress Mountain in West Vancouver, British Columbia, Canada. 12/2014

Kirkendall-Spring / Cabin at Tsocowis Cree, West Coast Trail,Pacific Rim National Park Reserve, Vancouver Island, British Columbia, Canada, May 2015.

Kirkendall-Spring / Woman exploring the tide pools north of Carmanah Point along the West Coast Trail in Pacific Rim national Park Reserve, British Columbia, Canada, May 2015. Model released.

Kirkendall-Spring / Woman at Tsusiat Falls along the West Coast Trail, Pacific Rim National Park, Vancouver Island, British Columbia, Canada, May 2015. Model released