Which major wildlife conservation organization's logo cleverly incorporates negative space to form a second animal beyond its famous panda?

Corporate logos for wildlife conservation organizations often incorporate clever symbolism and design elements that reflect their mission. These visual identities help establish brand recognition while communicating complex environmental values in a single image. Test your knowledge of these iconic conservation logos that represent efforts to protect our natural world.

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World Wildlife Fund (WWF), whose logo shows both a panda and a hidden bear in the negative space between the panda's head and front paw
The Nature Conservancy, whose leaf logo contains the silhouette of a bird in flight when viewed from a certain angle
Conservation International, whose logo features both a human hand and a bird in the same design
National Wildlife Federation, whose logo includes both a raccoon and a fox within the same circular emblem