SCOTLAND: The Big Picture / Dead man's fingers (Alcyonium digitatum) on a rocky reef with view of the sky, Shetland, Scotland, UK, August.

SCOTLAND: The Big Picture / Kelp forest (Laminaria digitata) with small fish, Shetland, Scotland, UK, July.

David Fleetham / Garibaldi (Hypsypops rubicundus) the state fish of California, in forest of giant kelp, (Macrocystis pyrifera) Catalina Island, California, USA.

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.

Alex Mustard / Grey seal (Halichoerus grypus) playful young seal above a kelp forest. Lundy Island, Devon, UK Bristol Channel, August

SCOTLAND: The Big Picture / Grey seal (Halichoerus grypus) swimming over kelp forest, Shetland, Scotland, UK, August.

Alex Mustard / Harbour seal (Phoca vitulina) in the kelp forest (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of America. North East Pacific Ocean.

Alex Mustard / California sea lion (Zalophus californianus) resting in the canopy of a forest of giant kelp (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. Los Angeles, California, United States of Am...

Alex Mustard / Young California sea lion (Zalophus californianus) playing in the canopy of a forest of Giant kelp (Macrocystis pyrifera). Santa Barbara Island, Channel Islands. California, USA. North East Pacific Oc...

Solvin Zankl / Kelp forest (Laminaria hyperborea), Atlantic Ocean, North West Norway, March.

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

Alex Mustard / Strawberry anemone (Utricina lofotensis) grows beneath Bull kelp forest (Nereocystis luetkeana). Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. North East Pacific Ocean.

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.

Pascal Kobeh / Group of California sea lions (Zalophus californianus) in a kelp forest (Macrocystis pyrifera), California, USA. Pacific ocean.

Pascal Kobeh / Group of California sea lions (Zalophus californianus) swimming in kelp forest (Macrocystis pyrifera), California, USA. Pacific ocean.

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.

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.

Alex Mustard / Scenic view of a bull kelp forest (Nereocystis luetkeana) with sunlight shining through the fronds. Browning Pass, Port Hardy, Vancouver Island, British Columbia. Canada. North East Pacific Ocean.

Alex Mustard,Alex Mustard / Green surf anemones (Anthopleura xanthogrammica) grow in shallow water below the temperate rain forest. Browning Pass, Port Hardy, Vancouver Island, British Columbia, Canada. North East Pacific Ocean.

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

Alex Mustard / 2020VISION / Kelp forest (Laminaria sp) growing beneath the cliffs of Lundy Island, Devon, UK, Bristol Channel, July

Sue Flood / Bamboo forest, Shikoku Mura open air museum, Takamatsu, Shikoku Island, Japan, May

Gerrit Vyn / Kangaroo Ridge in the North Cascades, in winter, Okanogan National Forest, Washington, USA, November 2010

Alex Mustard / 2020VISION / A forest of Sea cucumbers (Psolus phantapus) feeding, extended up out of the sediment in Scottish sea loch, Loch Duich, Ross and Cromarty, Scotland, UK, April

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

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

Fabio Liverani / Freshwater Crab (Potamon fluviatile) brandishing claws in defensive posture. Foreste Casentinesi National Park, Italy, July.

Alex Mustard / Draughtsboard Shark / Australian Swellshark (Cephaloscyllium laticeps) swims through a giant kelp forest (Macrocystis pyrifera). Like a pufferfish, this species of shark is able to rapidly swell with...

Michel Roggo / Red-eye / Rudd (Scardinius erythrophthalmus) in forest pond close to Aare river, Switzerland, May

Michel Roggo / Carp (Cyprinus carpio) in forest pool close to the Aare River, Switzerland, 2005

Michel Roggo / Carp (Cyprinus carpio) in forest pool close to the Aare River, Switzerland, 1992

Alan Watson / Moss-covered Oak trees (Quercus petraea) and boulders, Tomies Wood, Killarney National Park, County Kerry, Republic of Ireland, Europe

Alan Watson / Heart-shaped patch of lungwort (Lobaria virens) on the moss-covered trunk of Oak tree (Quercus petraea) and Holly trees (Ilex aquifolium) temperate forest, Tomies Wood, Killarney National Park, County...

Alan Watson / Heart-shaped patch of lungwort (Lobaria virens) on the moss-covered trunk of Oak tree (Quercus petraea) and Holly trees (Ilex aquifolium) temperate forest, Tomies Wood, Killarney National Park, County...

Solvin Zankl / Female Long-tailed / Tisza mayfly (Palingani a longicauda) rise up in the air soon after mating, where they form huge swarms and are out of range from males still searching for mates close to the wate...

Jouan & Rius / Forest in winter, Bayerischer Wald National Park, Germany

Jouan & Rius / Forest in winter, Bayerischer Wald National Park, Germany

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

Jouan & Rius / Forest in winter, Bayerischer Wald National Park, Germany

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.

Tim Laman / Garibaldi fish (Hypsypops rubicundus) amongst forest of Giant Kelp (Macrocystis pyrifera). Catalina Island, pacific, California, USA. July 2001.

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

Georgette Douwma / Island kelpfish (Alloclinus holderi) in Giant kelp (Macrocystis pyrifera) forest, California, USA.

Georgette Douwma / Island kelpfish (Alloclinus holderi) in Giant kelp (Macrocystis pyrifera) forest, California, USA.

Juergen Freund / Garibaldi fish {Hypsypops rubicunda} in kelp forest, California, USA, Pacific coast

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

Konrad Wothe / Pechora River valley hills covered with virgin forest, Pechora-Ilych Biosphere Reserve, Ural Mountains, Russia

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

Jim Brandenburg / Temperate forest interior with trillium ground cover, Northwoods, Minnesota

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

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...

Franco Banfi / Beach and river estuary, boreal forest in background, aerial view. Camp on beach, gathering to watch Bowhead whale (Balaena mysticetus) congregation. Vrangel Bay, Primorsky Krai, Russia. August 2019.

Franco Banfi / Camp in small bay, gathering to watchc congregation of Bowhead whales (Balaena mysticetus), boreal forest in background, aerial view. Vrangel Bay, Primorsky Krai, Russia. August 2019.

Nick Garbutt / Sunrise over temperate montane forest in Himalayan foothills, hills silhouetted. Singalila National Park, India. March 2019.

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.