Jeff Foott / Jaguar (Panthera onca) male, hunting Capybara (Hydrochoerus hydrochaeris). The capybara jumping away has cut the nose of the Jaguar with its toenail. Cuiaba River, Pantanal Matogrossense National Park...

Jeff Foott / Jaguar (Panthera onca) male, hunting Capybara (Hydrochoerus hydrochaeris). The capybara while jumping away has cut the nose of the Jaguar with its toemail. Cuiaba River, Pantanal Matogrossense Nationa...

Gabriel Rojo / Cattle tyrant (Machetornis rixosus) perched on capibara (Hydrochoerus hydrochaeris) Ibera Marshes, Corrientes Province, Argentina

Suzi Eszterhas / Capybara (Hydrochoerus hydrochaeris) mother and pup on riverbank, Pantanal, Brazil

Suzi Eszterhas / Capybara (Hydrochoerus hydrochaeris) young resting on mother, Pantanal, Brazil. Sequence 1 of 5

Suzi Eszterhas / Capybara (Hydrochoerus hydrochaeris) mother nursing young, Pantanal, Brazil

Nick Garbutt / Female Capybara (Hydrochoerus hydrochaeris) swimming in line with young after escaping a Jaguar attack (Panthera onca palustris) in a lagoon off the Paraguay River. Taiama Ecological Reserve, Pantanal...

Ben Cranke / Capybara (Hydrochoerus hydrochaeris) family group together on a river bank, Mato Grosso, Pantanal, Brazil. August.

Ben Cranke / Wattled Jacana (Jacana jacana) perched on resting Capybara (Hydrochoerus hydrochaeris) Mato Grosso, Pantanal, Brazil. July.

Patricio Robles Gil / Silhouetted Capivara / Capibara (Hydrochoerus hydrochaeris) with Cattle Tyrant (Machetornis rixosa), which feeds on flies approaching the Capibara. Parana, Southern Brazil.

Luiz Claudio Marigo / Capybara (Hydrochoeris hydrochaeris) mother with two suckling infants. The Pantanal wetlands of Mato Grosso State, Brazil, October.

Pete Oxford / Capybara (Hydrochoerus hydrochaeris) in shallow water, Pantanal, Brazil