Tony Heald / Eland [Taurotragus oryx] male rubbing wet mud onto forehead brush, Etosha National Park, Namibia, August

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) swimming over a bait ball of Sardines, three ridges on forehead that distinguish the Bryde's whale from other mysticetes are prominently visible. Off Baja C...

Yukihiro Fukuda / Japanese macaque / Snow monkey {Macaca fuscata} snow crystals on monkey's forehead, Jigokudani, Nagano, Japan

Norbert Wu / Amazon River Dolphin (Inia geoffrensis) melon on forehead used for sonar, Pittsburg Aquarium

Daniel Heuclin / Deformed skull with sloping forehead, found at Chullpa / funeray tower. Ceremonial tomb from between 1200-1450 AD, San Juan del Rosario, Bolivia.

Daniel Heuclin / Deformed skull with sloping forehead, found at Chullpa / funeray tower. Ceremonial tomb from between 1200-1450 AD, San Juan del Rosario, Bolivia.

Marie Read / Golden-fronted woodpecker (Melanerpes aurifrons), male, Cozad Ranch, Rio Grande Valley, Texas, USA, March.

Tony Wu / Sperm whale (Physeter macrocephalus) male with lots of long parallel scars on its forehead from fights with other males, Ogasawara or Bonin Islands, Japan.

Tony Wu / Sperm whale (Physeter macrocephalus) male with lots of long parallel scars on its forehead from fights with other males, Ogasawara or Bonin Islands, Japan.

Brent Stephenson / Tui (Prosthemadera novaeseelandiae) on New Zealand flax (Phormium) flowerhead, with yellow pollen on the forehead, Te Awanga Lagoon, Hawkes Bay, New Zealand, November.

Charlie Summers / Waves break over the bow of the Clipper Adventurer, a polar expedition ship, during a foggy crossing of the rough Drake Passage, November 2007.

Brent Stephenson / Adult Tui (Prosthemadera novaeseelandiae) taking off from a New Zealand flax (Phormium) flowerhead whilst foraging for nectar. Note the yellow pollen on the forehead. Te Awanga Lagoon, Hawkes Bay, New...

Brent Stephenson / Adult North Island saddleback (Philesturnus rufusater) feeding on nectar from a New Zealand flax (Phormium) flowers. Note the yellow pollen on the forehead. Tiritiri Matangi Island, Auckland, New Zeal...

Brent Stephenson / Adult female Wrybill (Anarhynchus frontalis) feeding with its uniquely curved bill (always to the right). Females have a narrower breast band and paler forehead than males. Manawatu Estuary, Manawatu,...

Brent Stephenson / Adult Yellow-crowned parakeet (Cyanoramphus auriceps) perched in a tree, showing the yellowish belly and forehead. Hawdon Valley, Canterbury, New Zealand, January.

Brent Stephenson / Adult male Tui (Prosthemadera novaeseelandiae) perched on a New Zealand flax (Phormium) flowerhead whilst foraging for nectar. Note the yellow pollen on the forehead. Tiritiri Matangi Island, Auckland...

Brent Stephenson / Adult male Wrybill (Anarhynchus frontalis) peering up into the sky. Note the curved bill (always to the right) diagnostic of this species. Males have a broader breast band and darker forehead than fem...

Enrique Lopez-Tapia / Woman having paste applied to her forehead during the celebration of Diwali / Tihar (the festival of lights) taken in a small village around the Royal Chitwan National Park, Nepal, October 2011.

Enrique Lopez-Tapia / Woman having paste applied to her forehead during the celebration of Diwali / Tihar (the festival of lights) taken in a small village around the Royal Chitwan National Park, Nepal, October 2011.

Anup Shah / Western chimpanzee (Pan troglodytes verus) infant male 'Flanle' aged 3 years acting aggressively towards alpha male 'Foaf' aged 30 years who then 'kisses' him on the forehead to diffuse the situatio...

Mark Hamblin / 2020VISION / Red deer stag (Cervus elaphus) on open moorland in winter, with snow on its forehead, Cairngorms NP, Scotland, UK

Mark Hamblin / 2020VISION / Red deer stag (Cervus elaphus) on open moorland in winter, with snow on its forehead, Cairngorms NP, Scotland, UK

Sharon Heald / Eland [Taurotragus oryx] male wetting forehead brush, Etosha National Park, Namibia, August

Tony Heald / Eland [Taurotragus oryx] male drinking, note large dewlap and brush on forehead, Etosha National Park, Namibia, August

Tony Heald / Eland [Taurotragus oryx] male rubbing wet mud onto forehead brush, Etosha National Park, Namibia, August

Mitsuaki Iwago / Orangutan (Pongo pygmaeus) young with hand on forehead, Borneo, Malaysia

Bryan and Cherry Alexander / Dogon girl having cicatrization to her forehead, a sign of beauty in her culture. Mali, West Africa, 1981.

Doug Perrine / Bryde's whale (Balaenoptera brydei / edeni) swimming over a bait ball of Sardines, three ridges on forehead that distinguish the Bryde's whale from other mysticetes are prominently visible. Off Baja C...

Kim Taylor / Sheep tick {Ixodes ricinus} on the forehead of a Border Collie, UK.

Heidi & Hans-Juergen Koch / Blue Bottle Fly (Calliphora erythrocephala) newly hatched, still has forehead bubble and body is light and soft, worldwide distribution

Norbert Wu / Short-finned Pilot Whale (Globicephala macrorhynchus) bulbous forehead used in emitting sonar, lives in oceans worldwide

Paul D Stewart / Woodcut illustration from Sebastian Munster's 1552 'Cosmographia' published by S.H. Petri in Basel, depicting ficticious people thought to live in India beyond the Ganges. He follows Pliny in describi...

Etienne Littlefair / Savanna glider (Petaurus ariel) with small bald patch of fur on forehead, sitting in tree at night, Adelaide River Hills, Northern Territory, Australia.

Ugo Mellone / South Andean deer (Hippocamelus bisulcus), adult female with seed stuck to forehead, portrait. Bernardo O'Higgins National Park, Patagonia, Chile. February.

Jabruson / Bonobo (Pan paniscus) female scratching and wiping forehead with her arm, she pulls the Dialium (Dialium sp.) branch closer and uses her hands to feed on the fruit, Lomako Yokokala Faunal Reserve, Pro...

Karine Aigner / Young boy looking up at whip scorpion on his forehead / face. Ecuador.

Martin Camm / Carwardine / Risso's dolphin (Grampus griseus) adult male showing vertical crease on forehead No more than 15 illustrations by Martin Camm, Rebecca Robinson and/or Toni Llobet to be used in a single projec...