Mark Hamblin / 2020VISION / Two sub-adult Wild Domestic goats (Capra hircus) play fighting on hillside, Cairngorms National Park, Scotland, UK, February.

Laurie Campbell / Feral Goat (Capra hircus) male, Inverness-shire, Scotland, July

Mike Potts / Wild goats (Capra hircus) resting on coastal promontory, one yawning, Great Orme, Llandudno, Gwynedd, North Wales, UK, August

Brian Lightfoot / Feral goats (Capra hircus) Scotland.

John Cancalosi / Feral goat (Capra hircus) Scotland

Geoff Simpson / Feral goat {Capra hircus} in woodland snow. Scotland.

Niall Benvie / Feral Goat male in pinewood (Capra hircus) Scotland

Brian Lightfoot / Feral goat (Capra hircus) Scotland

Tui De Roy / Feral Goat (Capra hircus) herd, new invasion causing rapid desertification of last Giant Galapagos Tortoise stronghold, Alcedo Volcano, Isabella Island, Galapagos Islands, Ecuador

Ben Gillett / Goats grazing in enclosure, WWII anti aircraft gun battery, Purdown Hill, Stoke Park Estate, Bristol, UK, July. The goats help keep plant growth under control.

Ben Gillett / Goats grazing in enclosure, WWII anti aircraft gun battery. Purdown Hill, Stoke Park Estate, Bristol, UK, July. These goats help prevent plants becoming overgrown.

Robert Thompson / Feral goat (Capra aegagrus) Burren National Park, County Clare, Republic of Ireland, April.