Nick Hawkins / Steller's sea lions (Eumetopias jubatus) off the coast of the Great Bear Rainforest, near Bella Bella, British Columbia, Canada. August

Jack Dykinga / Western sword fern (Polystichum munitum) and Big leaf maple (Acer macrophyllum) trees that are covered with moss, Hoh Temperate Rainforest, Olympic National Park, Washington, USA. June 2017.

Matthias Breiter / Black Bear (Ursus americanus) in temperate rainforest, Tongass National Forest, Alaska

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) yearling cub in temperate rainforest, Tongass National Forest, Alaska

Matthias Breiter / Black Bear (Ursus americanus) sleeping in tree in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Black Bear (Ursus americanus) sleeping in tree in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) cub in temperate rainforest, Tongass National Forest, Alaska

Matthias Breiter / Black Bear (Ursus americanus) in tree in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) yearling cubs playing in temperate rainforest, Tongass National Forest, Alaska

Matthias Breiter / Black Bear (Ursus americanus) sleeping on log in temperate rainforest, Tongass National Forest, Alaska

Matthias Breiter / Black Bear (Ursus americanus) mother and cub in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) juvenile in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Black Bear (Ursus americanus) sleeping in tree in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Creek flowing into lake in temperate rainforest, Lake Crescent, Olympic National Park, Washington

Matthias Breiter / Waterfall and creek in temperate rainforest, Merriman Falls, Olympic National Park, Washington

Matthias Breiter / Kestner Creek, Quinault Rainforest, Olympic National Forest, Washington

Matthias Breiter / Kestner Creek, Quinault Rainforest, Olympic National Forest, Washington

Matthias Breiter / Kestner Creek, Quinault Rainforest, Olympic National Forest, Washington

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Black Bear (Ursus americanus) mother and cub in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Matthias Breiter / Grizzly Bear (Ursus arctos horribilis) in temperate rainforest, Anan Creek, Tongass National Forest, Alaska

Jeff Foott / Pacific Rhododendron (Rhododendron macrophyllum) flowering in old growth Coast Redwood (Sequoia sempervirens) forest, Redwood National Park, California

Jeff Foott / Coast Redwood (Sequoia sempervirens) and Oak (Quercus sp) trees, Redwood National Park, California

Mark MacEwen / Snares island crested penguin (Eudyptes robustus) colony in forest, Snares Island, New Zealand.

Mark MacEwen / Snares island crested penguin (Eudyptes robustus) in forest, Snares Island, New Zealand.

John Abbott / Low angle view of trees in the Hoh Rainforest, Hall of Mosses Trail, Olympic National Park, Jefferson County, Washington, USA, June.

Floris van Breugel / A view of Pony Tail falls with Devil's Club (Oplopanax horridus) leaves in the foreground in the Columbia River Gorge, Oregon, USA. July 2011.

Charlie Summers / Black Bear (Ursus americanus) sleeping in a Sitka Spruce tree (Picea sitchensis) alongside Anan Creek, Alaska, July.

David Pattyn / Temperate rainforest scenic with ancient Red cedar tree (Thuja plicata). Pacific Rim National Park, Vancouver Island, British Columbia, Canada, August.

David Pattyn / Western Red Cedar trees (Thuja plicata) in temperate rainforest. Cathedral grove in MacMillan provincial park, Vancouver Island, British Columbia, Canada, August.

Floris van Breugel / Late fall colors linger among the mossy trees (Acer macrophyllum) in the Hoh Rainforest in Olympic National Park. Washington, USA. November 2012

Mark Carwardine / Two Humpback whales (Megaptera novaeangliae) bubble-net feeding very close to shore, Great Bear Rainforest, British Columbia, Canada, Endangered or threatened species (Vulnerable)

Konstantin Mikhailov / Western red cedar tree (Thuja plicata) trunks with moss and fungi, inland temperate rainforest of Olympic National Park, Washington, USA, Western North America, January.

Matthew Maran / A view of a forested inlet lit by low sunlight. Aggro Beach, west coast of Vancouver Island, Canada, September 2010.

Matthew Maran / Waterfall on the the Darling River with a fallen tree as a bridge over the waters. West Coast Trail, Pacific Rim National Park Reserve, west coast of Vancouver Island, Canada, September 2010.

Matthew Maran / Hikers crossing a thin footbridge over a river. The West Coast Trail, Pacific Rim National Park, Vancouver Island, Canada, September 2010, model released

Matthew Maran / Hikers building up a fire in their cliff-overhang cave. The West Coast Trail, Pacific Rim National Park, Vancouver Island, Canada, September, Model released

Matthew Maran / A man sitting in the cable car of a chair bridge as it crosses a river. The West Coast Trail, Pacific Rim National Park, Vancouver Island, Canada, September 2010. Model released

Matthew Maran / Two people pausing on a woodland path. The West Coast Trail, Pacific Rim National Park, Vancouver Island, Canada, September 2010. Model released.

Shattil & Rozinski / Kelp floating on water at the edge of the Great Bear Rainforest, British Columbia, Canada, September

Shattil & Rozinski / Juvenile American dipper (Cinclus mexicanus) at stream, British Columbia, Canada, September

Kevin Schafer / Darwin's Fox (Pseudalopex fulvipes) portrait, in temperate rainforest, Chiloe Island, Chile, November, Critically Endangered

Floris van Breugel / Morning sun rays breaking through the tree trunks, of Redwood National Park, California, USA. June 2008.

Aflo / N-14103 River flowing through temperate rainforest, Olympic NP, Washington, USA

Tim Laman / Boy (five years) running along canopy walkway through temperate rainforest, Capilano Park, Vancouver, British Columbia, Canada, August 2005, Model released

Nick Garbutt / Lake surrounded by temperate rainforest, Campania Island, Great Bear Rainforest, British Columbia, Canada, September 2009

Jouan & Rius / Hopetoun Falls on Aire River, Great Otway National Park, Victoria, Australia

Jouan & Rius / Looking down from tree canopy to tree ferns of Mountain forest below, Great Otway National Park, Victoria, Australia

Jouan & Rius / Royal eucalyptus (Eucalyptus regnans) and Soft tree-ferns (Dicksonia antarctica), Tarra Bulga National Park, Victoria, Australia.

Jouan & Rius / Morning fog in eucalypt forest, Great Otway National Park, Victoria, Australia.

Jouan & Rius / Morning fog in eucalypt forest, Great Otway National Park, Victoria, Australia.

Eric Baccega / Kermode / Spirit bear (Ursus americanus Kermodei), white morph of black bear, standing on tree trunk, Princess Royal Island, British Columbia, Canada

Thomas Marent / Creek flowing through temperate rainforest, Fjordland National Park, New Zealand

Jack Dykinga / Club moss {Lycopodium sp} on trunks of Sitka spruce trees {Picea sitchensis} Hoh temperate rainforest, Olympic NP, Washington, USA

Jack Dykinga / Moss covered trunks of Sitka spruce {Picea sitchensis} and Big leaf maple {Acer macrophyllum}, also Sword ferns {Polystichum munitum} Hoh temperate rainforest, Olympic NP, Washington, USA

Gerry Ellis / Nurse log stage five temperate rainforest, Olympic National Park, Washington

Gerry Ellis / Northern Spotted Owl (Strix occidentalis caurina) on moss covered branch in temperate rainforest, Pacific Northwest, North America

Konrad Wothe / Edible Snail (Helix pomatia) crossing moss on floor of deciduous forest, Germany

Gerry Ellis / Temperate rainforest clear cutting with logging road, Olympic National Forest, Washington

Gerry Ellis / Temperate rainforest with moss covered trees and ferns, Queets River Valley, Olympic National Park, Washington

Gerry Ellis / Still Creek in spring, temperate rainforest, Mt Hood National Forest, Oregon

Gerry Ellis / Stunted Muskeg forest, temperate rainforest, Tongass National Forest, southeast Alaska

Tim Fitzharris / Multnomah Falls cascading through temperate rainforest, Columbia River Gorge near Portland, Oregon

Tui De Roy / San Rafael Falls on the Coca River squeezes through a lava canyon in wet temperate rainforest, Ecuador

Nigel Bean / Temperate rainforest of Mount Kilum, Cameroon, West Africa

Tim Edwards / Hanging mosses on Mountain beech Temperate rainforest South Island New Zealand

Neil Lucas / Nurse log in Olympic NP, Washington State, USA

Neil Lucas / Waterfall, Olympic NP, USA

Neil Lucas / Water fall in Olympic National Park, Washington state USA

David Gallan / Burnt temperate rainforest in Monga National Park, New South Wales, Australia. The forest was damaged by the December 2019 - January 2020 bushfires.

David Gallan / Blackened trees and scorched tree ferns in Monga National Park, New South Wales, Australia. Damage caused by the December 2019 - January 2020 bushfires. Stressed trees have dropped scorched leaves ont...

David Gallan / Blackened trees and scorched tree ferns in Monga National Park, New South Wales, Australia. Damage caused by the December 2019 - January 2020 bushfires. Stressed trees have dropped scorched leaves ont...

John Shaw / Sword ferns (Polystichum munitum) in a red alder (Alnus rubra) grove. Hoh Rainforest, Olympic National Park, Washington, USA, June.

John Shaw / Sword ferns (Polystichum munitum) in a red alder (Alnus rubra) grove. Hoh Rainforest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

John Shaw / Moss-covered Sitka spruce (Picea sitchensis) and sword fern (Polystichum munitum) in the Hoh Rain Forest, Olympic National Park, Washington, USA, June.

Nick Hawkins / Steller's sea lions (Eumetopias jubatus) off the coast of the Great Bear Rainforest, near Bella Bella, British Columbia, Canada. August

Nick Hawkins / Humpback whale (Megaptera novaeangliae) and rainbow over the Great Bear Rainforest near Bella Bella, British Columbia, Canada. August

Nick Hawkins / View of the Great Bear Rainforest, near Bella Bella, British Columbia, Canada. April 2018

Nick Hawkins / Steller's sea lion (Eumetopias jubatus) off the coast of the Great Bear Rainforest, near Bella Bella, British Columbia, Canada. August

Jaymi Heimbuch / Western Skunk Cabbage (Lysichiton americanus) in temperate rainforest, Oregon

Kirkendall-Spring / False lily of the valley (Maianthemum dilatatum) and a fern in Olympic National Park, Washington, USA, April.

Kirkendall-Spring / Sunlight streaking through the trees along the Appelton Pass Trail, Olympic National Park, Washington, USA, April 2018.

Kirkendall-Spring / Sunlight streaking through the trees along the Appelton Pass Trail, Olympic National Park, Washington, USA, April 2018.

Kirkendall-Spring / Forest along the Spruce Loop in the Hoh Rain Forest, Olympic National Park, Washington, USA, April.

Kirkendall-Spring / Trees growing from the root ball of a fallen tree, Spruce Loop in the Hoh Rain Forest, Olympic National Park, Washington, USA, April.

Kirkendall-Spring / Row of trees which have grown from a fallen nurse log, Spruce Loop, Hoh Rain Forest of Olympic National Park, Washington, USA, April.

Kirkendall-Spring / Bunch Falls in the Quinault River Valley, Olympic National Park, Washington, USA, April.

Kirkendall-Spring / False lily of the valley (Maianthemum dilatatum) leaves and fern in Olympic National Park, Washington, USA, April.

Jack Dykinga / Giant leaves of Devil's Club (Oplopanax horridus) Olympic National Park, Washington, USA, June.