Michel Roggo / Brown bear (Ursus arctos beringianus) fishing for Sockeye salmon in the Ozernaya River, Kamtchatka, Russia, August

Alex Mustard / A fisherman swims down to touch the statue of Christ Of The Abyss (Cristo degli abissi) for good fortune, in the Marine Protected Area of Portofino (Area Marina Protetta, Portofino), Liguria, Italy. M...

Ben Hall / Northern fulmar (Fulmarus glacialis) in flight against a waterfall, Iceland, January

Axel Gomille / Asian Elephant (Elephas maximus), temple elephant gives blessings to pilgrims at the ruins and temple complex of Hampi, Karnataka, India

Staffan Widstrand / Wild Wonders of China / Amulettes for good luck and health, in front of Meili Snow Mountain 6740 m, a Sacred mountain for Tibetan Buddhists, Yunnan, China, October 2017.

Ashley Cooper / White Storks (Ciconia ciconia) nesting on electricity pylons in the Coto Donana in Andalucia, Spain. June 2011

Mark Taylor / Llama foetuses for sale in a La Paz market, Bolivia. December 2016. The "Witches' Market" stalls of La Paz are run by local witch doctors. Llama foetuses are believed to be good luck and are sometimes...

Markus Varesvuo / Great White Egret (Ardea alba) and Grey Heron (Ardea cinerea) dropping fish prey which they were fighting over, Hungary, January. Sequence 2/2.

Suzi Eszterhas / Cape Pangolin (Manis temminckii) being touched by safari guide, thought to bring good luck, northern Botswana

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale Shark (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Pete Oxford / Whale sharks (Rhincodon typus) feeding at Bagan (floating fishing platform) Cenderawasih Bay, West Papua, Indonesia. Bagan fishermen see whale sharks as good luck and often feed them baitfish. This is...

Mark Taylor / Fluffy black kitten, 10 weeks, walking.

Bruno D'Amicis / Fennec fox (Vulpes zerda) tail of hanging from a Tunisian car rear mirror. Fennecs are sometimes considered as pests by desert nomads and thus hunted. Kebili Governorate, Tunisia.

Bruno D'Amicis / Fennec fox (Vulpes zerda) tail hanging as luck charm from the neck of a dromedary, Kebili Governorate. Tunisia. April 2013.

Alex Hyde / Ling Heather (Calluna vulgaris), showing rare white form. Peak District National Park, Derbyshire, UK. August.

Alex Hyde / Ling Heather (Calluna vulgaris), showing rare white form. Peak District National Park, Derbyshire, UK. August.

Michele Westmorland / Common carp / koi (Cyprinus carpio) blurred view of shoal in large pond where visitors feed the fish for good luck, Temple Tirte Empul, Bali, Indonesia

Michele Westmorland / Common carp / koi (Cyprinus carpio) in large pond where visitors feed the fish for good luck, Temple Tirte Empul, Bali, Indonesia

Kristel Richard / Men riding black Menorquin stallions, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch the...

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Lady riding a black Menorquin stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch t...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch th...

Kristel Richard / Man riding a grey Andalusian stallion, performing the bot or walking courbette of the Doma Menorquina, during the festival Mare de Deu de Gracia, in Mahon, Menorca, Spain 2012. People try to touch the...

Aflo / N-2206 Four leaf clover {Trifolium sp}

GEORGETTE DOUWMA / Four-leaf clover, Red clover (Trifolium pratense) UK

GEORGETTE DOUWMA / Four leaved clover - digitally manipulated image

Mark Moffett / Tourists circle sacred scarab at Karnak for traditional good luck, Luxor, Egypt

Eric Baccega / The Kay Htein Bo or spirit poles are found in most Kayan villages.These sacred poles are worshipped once a year, in April. Only men are allowed to enter this sacred place to play music and dance. Unde...

Eric Baccega / The Kay Htein Bo or spirit poles are found in most Kayan villages.These sacred poles are worshipped once a year, in April. Only men are allowed to enter this sacred place to play music and dance. Unde...