Enrique Lopez-Tapia / Woman with stick at the Jumping of the bulls Hamer ceremony. This Hamer ceremony, is a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the boys beg to be wh...

David Pattyn / Great crested grebe (Podiceps cristatus) adult attacking one of its own young when it comes to beg for food, Valkenhorst Nature reserve, the Netherlands, June

Claudio Contreras / Caribbean flamingo (Phoenicopterus ruber) juvenile begging, Ria Lagartos Biosphere Reserve, Yucatan Peninsula, Mexico, September

Nick Upton / Common swift chick (Apus apus) almost fully grown sitting in a nest cup calling loudly to beg for food from a parent that has just returned to its nest box from a foraging trip with a throat pouch ful...

Marie Read / Western grebe (Aechmophorus occidentalis) adult with begging chick riding on its back, peeking out from behind adult's neck, Bear River Migratory Bird Refuge, Utah, USA, May.

Enrique Lopez-Tapia / Women dancing at the Jumping of the bulls Hamer ceremony. This Hamer ceremony is a a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the boys beg to be whip...

Enrique Lopez-Tapia / Women dancing at the Jumping of the bulls Hamer ceremony. This Hamer ceremony is a a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the boys beg to be whip...

Enrique Lopez-Tapia / Castrated Zebu bulls which will be used in the Hamer Jumping of the bulls ceremony. This Hamer ceremony is a a right of passage into manhood for all young Hamer. Each naked boy taking part must leap d...

Enrique Lopez-Tapia / Women dancing at the Jumping of the bulls Hamer ceremony. This Hamer ceremony is a a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the boys beg to be whip...

Enrique Lopez-Tapia / Women dancing at the Jumping of the bulls Hamer ceremony. This Hamer ceremony, it's a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the boys beg to be whi...

Enrique Lopez-Tapia / Women dancing at the Jumping of the bulls Hamer ceremony. This Hamer ceremony is a a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the boys beg to be whip...

Enrique Lopez-Tapia / Women dancing and playing horns at the Jumping of the bulls Hamer ceremony. This Hamer ceremony is a a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the b...

Enrique Lopez-Tapia / Women dancing and playing horns at the Jumping of the bulls Hamer ceremony. This hamer ceremony, is a right of passage into manhood for Hamer boys. During the ceremony young female relatives of the bo...

Enrique Lopez-Tapia / Women dancing and playing horns at the Jumping of the bulls Hamer ceremony, with tourists watching behind. This Hamer ceremony is a a right of passage into manhood for Hamer boys. During the ceremony...

Enrique Lopez-Tapia / Women dancing at the Jumping of the bulls Hamer ceremony, with tourists watching behind. This Hamer ceremony, is a right of passage into manhood for Hamer boys. During the ceremony young female relati...

Enrique Lopez-Tapia / Men with sticks to beat young women at the Jumping of the Bulls Hamer ceremony, where naked boys will leap along the backs of the bulls as aright of passage into manhood. During the ceremony young fem...

Enrique Lopez-Tapia / Scars on back of woman whipped during Hamer Jumping of the Bulls ceremony. This Hamer ceremony is a a right of passage into manhood for all young Hamer. Each naked boy taking part must leap down the l...

Enrique Lopez-Tapia / Jumping of the bulls Hamer ceremony. This Hamer ceremony is a a right of passage into manhood for all young Hamer. Each naked boy taking part must leap down the line of bulls, jumping on the animals f...

Enrique Lopez-Tapia / Jumping of the bulls Hamer ceremony. This Hamer ceremony is a a right of passage into manhood for all young Hamer. Each naked boy taking part must leap down the line of bulls, jumping on the animals f...

Enrique Lopez-Tapia / Men with sticks to beat young women at the Jumping of the Bulls Hamer ceremony, where naked boys will leap along the backs of the bulls as aright of passage into manhood. During the ceremony young fem...

Marie Read / Blue jays (Cyanocitta cristata) two fledglings beg by fluttering wings at adult (center bird), New York, USA.

Brent Stephenson / Juvenile Eurasian Jackdaw (Corvus monedula) begging to be fed with beak wide open. Visby, Gotland Island, Sweden. June.

Charlie Summers / Male American kestrel (Falco sparverius) landing at nest box with lizard prey, with a chick leaning out and begging for food, Colorado, USA, July

Charlie Summers / Male American kestrel (Falco sparverius) landing at nest box with grasshopper prey, with a chick leaning out and begging for food, Colorado, USA, July

Charlie Summers / Male American kestrel (Falco sparverius) landing at nest with lizard prey, with a chick leaning out and begging for food, Colorado, USA, July

Robert Thompson / Beautiful demoiselle (Calopteryx virgo) Lough Beg, Killarney National Park, Killarney, County Kerry, Republic of Ireland, July

Charlie Summers / Tree swallow (Tachycineta bicolor) two chicks that have left the nest, beg to be fed on the ground. Aurora, Colorado, USA, July

Mark Hamblin / 2020VISION / Clouds over silhouette of Ben Griam Beg, Forsinard, Flow Country, Sutherland, Scotland, UK, June 2011

Mark Hamblin / 2020VISION / Clouds over silhouette of Ben Griam Beg, Forsinard, Flow Country, Sutherland, Scotland, UK, June 2011

Robert Thompson / Aerial view of Lough Aluirg looking north towards Aghla Beg, Derryveagh Mountains, County Donegal, Republic of Ireland, September 2009

Robert Thompson / Aerial view of Lough Beg, east of Castledawson, County Antrim, Northern Ireland, UK, September 2009

Robert Thompson / Aerial view of Lough Beg, east of Castledawson, County Antrim, Northern Ireland, UK, September 2009

Robert Thompson / Aerial view of Ougue Port and Trabane Bay, Malin Beg, County Donegal, Republic of Ireland, September 2008

Aflo / ic-04803 Terrier dog standing on black legs to beg.

Mark Moffett / Rove Beetle (Staphylinidae) mimics Ant (Neivamyrmex sp) workers to beg for food or prey from the ants, Tiputini, Ecuador

Nick Upton / Female Jackdaw (Corvus monedula) crouching to beg for food from male. Cornwall, UK, spring.

Robert Thompson / Long / oblong leaved sundew (Drosera intermedia) growing in water, Lough Beg, Killarney National Park, County Kerry, Republic of Ireland, July

Laurie Campbell / View looking north east over Strath Nethy from Cairngorm plateau with the summit of 'Bynack Beg' on the horizon, Cairngorms National Park, Speyside, Scotland, UK. June.

Pal Hermansen / Black woodpecker (Dryocopus martius) adult landing on the front of its nesting tree. The Black woodpecker chicks appear from the nest hole and beg for food, the adult then regurgitates food for one ch...

John Chan / California least tern (Sternula antillarum browni) fledgling interacting with a decoy, pecking the beak to beg for food, Bolsa Chica Ecological Reserve, California, USA June.

John Chan / California least tern (Sternula antillarum browni) fledgling interacting with a decoy, pecking the beak to beg for food, Bolsa Chica Ecological Reserve, California, USA June/2018