Frederique Olivier / Wide angle shot of a large flock of Blue footed boobies (Sula nebouxii) taking off from the sea and diving on a bait ball, Isla Lobos de Terra, Peru.
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John Waters / Underwater view of a group of Common toads (Bufo bufo) in a mating ball in a pond, Priddy, Somerset, England, UK, March.
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John Waters / Group of Common toads (Bufo bufo) in a mating ball in a pond, Priddy, Somerset, England, UK, March.
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John Waters / Group of Common toads (Bufo bufo) in a mating ball in a pond, Priddy, Somerset, England, UK, March.
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Francois Savigny / Breeding ball of Anacondas {Eunectes murinus} Venezuela - up to 10 males surround one female
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Neil Aldridge / Dung beetle (Scarabaeidae) pushing ball of dung on Venetia Limpopo Reserve, Limpopo Province, South Africa.
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Floris van Breugel / Desert agave (Agave deserti) has skewered a ball of spines shed by neighboring Cholla cactus (Cylindropuntia bigelovii) Anza-Borrego State Park, California, USA March
Tim Fitzharris / Atlantic Sailfish (Istiophorus albicans) group hunting Round Sardinella (Sardinella aurita) school, Isla Mujeres, Mexico
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Tim Fitzharris / Atlantic Sailfish (Istiophorus albicans) group hunting Round Sardinella (Sardinella aurita) school, Isla Mujeres, Mexico
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Claudio Contreras / Atlantic sailfish (Istiophorus albicans) attacking school of Sardine (Sardinella aurita) bait ball, Isla Mujeres, Caribbean Sea, Mexico, February
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Espen Bergersen / Humpback whales (Megaptera novaeangliae) and Killer whale (Orcinus orca) feeding on a bait ball of Herring. Andfjorden close to Andoya, Nordland, Northern Norway. January.