Chris Gomersall / 2020VISION / RSPB reserves staff thinning woodland encroaching onto heath at Westleton Heath (Natural England), Suffolk, UK, February 2011.

Wild Wonders of Europe / Oxford / Sand dunes encroaching on Pine trees (Pinus sp) with Marram grass (Ammophila arenaria) growing n dunes, Doñana National & Natural Park, Huelva Province, Andalusia, Spain, May 2009

Mark Raycroft / Woodland Caribou (Rangifer tarandus caribou) bull in town in autumn, Newfoundland, Canada

Mark Raycroft / Grizzly Bear (Ursus arctos horribilis) crossing road, North America

Suzi Eszterhas / African Elephant (Loxodonta africana) in defensive posture towards safari vehicle, Sabi Sands Private Game Reserve, South Africa

Jaymi Heimbuch / Coyote (Canis latrans) female in city, San Francisco, Bay Area, California

Avijan Saha/ BIA / Asian Elephant (Elephas maximus) juvenile crossing road at night in headlight of car watched by people on the road, West Bengal, India

Sebastian Kennerknecht / Mountain Lion (Puma concolor) biologist, Paul Houghtaling, using telemetry to track mother and cubs near houses, Santa Cruz Puma Project, Santa Cruz, Monterey Bay, California

Donald M. Jones / Moose (Alces alces) female crossing highway, central Alaska

Gerry Ellis / Burned rainforest, cleared for oil palm agriculture, Central Kalimantan, Borneo, Indonesia. October, 2015

Gerry Ellis / Smoking fire, set by humans to clear rainforest to plant oil palms, Central Kalimantan, Borneo, Indonesia. October, 2015

Gerry Ellis / Orangutan (Pongo pygmaeus) sub-adult male in trees in haze caused by forest clearing, West Kalimantan, Borneo, Indonesia. October, 2015

Donald M. Jones / Rocky Mountain Elk (Cervus canadensis nelsoni) bull crossing road near truck, North America

Donald M. Jones / Desert Bighorn Sheep (Ovis canadensis nelsoni) pair in urban neighborhood, North America

Richard Du Toit / African Elephant (Loxodonta africana) group crossing road, Chobe National Park, Botswana

Thomas Marent / Indian Rhinoceros (Rhinoceros unicornis) crossing road near tourists, Kaziranga National Park, Assam, India

Thomas Marent / African Elephant (Loxodonta africana) crossing dirt road near tourists, Serengeti National Park, Tanzania

James Christensen / Andean Snail-eater (Dipsas andiana) female and Land Snail (Drymaeus sp) prey near city, Mindo, Ecuador

Roland Seitre / Barbary Macaque (Macaca sylvanus) mother and young on cement with city in background, Gibraltar, United Kingdom

Cyril Ruoso / Chacma Baboon (Papio ursinus) stealing rhubarb from shopper, Cape Town, South Africa. Sequence 2 of 6

Thomas Marent / African Oil Palm (Elaeis guineensis) plantation and people, eastern Madagascar

Flip Nicklin / Manta Ray (Manta birostris) Flower Garden Banks National Marine Sanctuary, Louisiana, Gulf of Mexico

Flip Nicklin / Whale Shark (Rhincodon typus) surrounded by several scuba divers, threatened, Cocos Island, Costa Rica

Jim Brandenburg / American Bison (Bison bison) and snowmobiles, Yellowstone National Park, Wyoming

Jim Brandenburg / Farmlands encroaching on prairie potholes, North Dakota

Bernard Castelein / Frozen pond with encroaching trees and tussocks. Peerdsbos, Brasschaat, Belgium. January.

Nick Upton / Green Mantle Ltd. contractor using a chainsaw to clear encroaching trees from a grassland hillside to improve habitat for bees and other pollinators for Buglife / Avon Wildlife Trust's West of England...

Cheryl-Samantha Owen / Ranger on Bird Island, scaring seals to prevent them encroaching on colony of Cape gannets (Morus capensis) Bird Island, Lambert's Bay, South Africa. October 2014.

Gary K. Smith / Wells harbour with tide encroaching on the saltmarsh, Norfolk, UK, August 2014.

Roger Powell / Male Ringed Plover (Charadrius hiaticula) aggressively displaying to encroaching birds on its shoreline breeding territory. Varanger shore, Finmark, Norway, June.

Chris Gomersall / 2020VISION / RSPB reserves staff thinning woodland encroaching onto heath at Westleton Heath (Natural England), Suffolk, UK, February 2011. Model released

Chris Gomersall / 2020VISION / RSPB reserves staff thinning woodland encroaching onto heath at Westleton Heath (Natural England), Suffolk, UK, February 2011. Model released

Chris Gomersall / 2020VISION / RSPB reserves staff thinning woodland encroaching onto heath at Westleton Heath (Natural England), Suffolk, UK, February 2011. Model released

Jurgen Freund / Sea squirt / tunicate (Didemnum sp) morph black-yellow encroaching on a Golden sea squirt (Polycarpa aurata) Misool, Raja Ampat, West Papua, Indonesia.

Roger Powell / Pair of European Bee-eaters (Merops apiaster) resting on a eucalyptus branch watching another encroaching bird, Castro Verde, Portugal, April

Wild Wonders of Europe / Oxford / Sand dunes encroaching on Pine trees (Pinus sp) with Marram grass (Ammophila arenaria) growing on dunes, Doñana National & Natural Park, Huelva Province, Andalusia, Spain, May 2009

David Noton / The Henty Dunes slowly encroaching on the inland forest, west coast, nr Strahan, Tasmania, Australia

Tony Phelps / Sand dunes encroaching thicket vegetation, De Hoop, South Africa

Jason Smalley / Broken wooden picket fence swamped by encroaching sand dune with Marram grass {Ammophilia arenaria} Formby, Merseyside, UK.

Justine Evans / Mile-a-minute vine encroaching on native plants, Vatte, Espirito Santo, Vanuatu

Tony Phelps / Urban heathland fire encroaching on houses, Turbary common, Dorset, UK

Jose B. Ruiz / Las Palomas sand dunes encroaching on coniferous woodland, Los Lances beach, Cadiz, Spain

Chris Gomersall / Housing development encroaching heathland. Canford heath, Dorset, UK

Chris Gomersall / Housing development encroaching heathland, Canford heath, Dorset, UK

Pete Oxford / Successional vegetation encroaching on jungle lake, Ecuadorian Amazon, South America

Tony Phelps / Heathland with encroaching Birch and Pine trees, Wareham Dorset, UK.

Pete Oxford / Erosion caused by gold mining, in forest encroaching on refuge of Golden crowned sifaka, Madagascar

Flip Nicklin / Humpback Whale (Megaptera novaeangliae) tail lobbing near cruise ships, Humpback Whale National Marine Sanctuary, Maui, Hawaii - notice must accompany publication; photo obtained under NMFS permit 075...