- http://www.cheetah.org
Cheetah Conservation Fund (CCF) The purpose of the Cheetah Conservation Fund (CCF) is to research and implement strategies for cheetah conservation in its natural habitat. From its Namibian base, the CCF works with countries that have wild cheetah populations.

- http://www.proaves.org
La Fundación ProAves de Colombia es una organización no gubernamental, sin animo de lucro, que enfoca sus esfuerzos hacia el estudio de las aves y la conservación de su hábitat. Promoviendo y ejecutando directamente investigación científica, acciones de conservación y educación ambiental.

- http://www.nationalgeographic.com
The National Geographic Society is the world’s largest nonprofit scientific and educational organization. Along with National Geographic, our flagship magazine, we publish Adventure, Traveler, World, and our new classroom magazine, National Geographic for Kids—plus award-winning books and CD-ROMs. On television we bring you EXPLORER, the National Geographic Channel, and our signature Specials.