Sylvain Cordier / RF - Spectacled caiman (Caiman crocodilus), Pantanal, Mato Grosso, Brazil. (This image may be licensed either as rights managed or royalty free.)

Sylvain Cordier / RF - Monarch butterfly (Danaus plexippus), wintering from November to March, in Oyamel pine forests (Abies religiosa) Monarch Butterfly Biosphere Reserve, Mexico. (This image may be licensed either a...

Sylvain Cordier / RF - Monarch butterfly (Danaus plexippus), wintering from November to March, in Oyamel pine forests (Abies religiosa) Monarch Butterfly Biosphere Reserve, Mexico. (This image may be licensed either a...

Sylvain Cordier / RF - Monarch butterfly (Danaus plexippus), wintering from November to March, in Oyamel pine forests (Abies religiosa) Monarch Butterfly Biosphere Reserve, Mexico. (This image may be licensed either a...

Sylvain Cordier / RF - Brown woolly monkey (Lagothrix lagotricha) hanging upside down in tree, Mananaus, Amazon, Brazil. (This image may be licensed either as rights managed or royalty free.)

Sylvain Cordier / RF - Red-bellied piranha or red piranha (Pygocentrus nattereri) taken out of water - close up showing sharp teeth. Rio Negro, Amazonas, Brazil. (This image may be licensed either as rights managed or...

Sylvain Cordier / RF - Red-bellied piranha (Pygocentrus nattereri) and Redeye Piranha (Serrasalmus rhombeus formely Serrasalmus niger) out of water. Comparison, with both showing sharp teeth. Rio Negro, Amazonas, Br...

Sylvain Cordier / RF - Common anaconda (Eunectes murinus) Amazon, Brazil. (This image may be licensed either as rights managed or royalty free.)

Sylvain Cordier / RF - Amazon river dolphin (Inia geoffrensis) leaping out of water. Rio Negro, Amazonas, Brazil. (This image may be licensed either as rights managed or royalty free.)

Sylvain Cordier / RF - Hyacinth macaw (Anodorhynchus hyacinthinus) two in flight. Pantanal, Mato Grosso, Brazil. (This image may be licensed either as rights managed or royalty free.)

Nick Garbutt / RF - Portrait of Toco toucan (Ramphastos toco) with colourful beak, southern Pantanal, Brazil. (This image may be licensed either as rights managed or royalty free.)

Doug Perrine / RF - Killer whales / orca (Orcinus orca) transient blowing at surface, Haro Strait, between the San Juan Islands of Washington State, USA, and Gulf Islands on East side of Vancouver Island, British C...