Programs in North America include:
Ecovolunteer Nature Travel offers ecotourist trips to Canada and Florida.
Willing Workers on Organic Farms offers farmstays across the world.
Disney has paid internships at different locations in America.
Ducks Unlimited works on wetland conservation throughout America and Canada.
US Fish and Wildlife Service is a governmental agency which offers volunteering and internships across America.
Alaska SeaLIfe Center offers internships for college students and volunteers for everyone else.
Adobe Mountain Wildlife Center in Phoenix works with a large variety of native animals.
American Conservaton Experience provides a variety of environmental management and conservation experiences
Farm Sanctuary is the nation's leading farm animal protection organization.
Hubbs Seaworld Research Institute is a public, non-profit charity dedicated to providing effective solutions to conflicts that arise between human activity and the natural world.
American Conservation Experience provides a variety of environmental management and conservation experiences
Indianapolis Zoo is in Indianapolis.
Shedd Aquarium is in Chicago.
ISU Vet Med Study Abroad offers summer abroad programs for students enrolled in US veterinary medicine programs.
The Cape Wildlife Center is a facility of The Humane Society that provides emergency care and wildlife rehabilitation. Also offers internships and volunteering opportunities
The Great Basin Institute offers various ecological projects for interns some working with animals.
North Carolina Zoo is in Asheboro.
Cascades Raptor Center in Eugene works with birds of prey.
Roger Williams Park Zoo in Providence.
Great Plains Zoo is in Sioux Falls.
Austin Wildlife Rescue in Austin takes in native wildlife.
Fossil Rim Wildlife Center in Glen Rose works with a large variety of animals. It has internships for keepers and also freshly graduated veterinary students.
International Exotic Animal Sanctuary is in Boyd.
Priderock Wildlife Refuge is outside Dallas and offers summer internships and year-round volunteering with big cats.
Tiger Creek Wildlife Refuge in Tyler works with big cats.
Best Friends Animal Society accepts volunteers, does workshops, and offers formal internships, including veterinary externships.
Northwest Trek Wildlife Park is in Eatonville.
Point Defiance Zoo and Aquarium in Tacoma.
Mountainaire Avian Rescue Society in Courtenay offers formal internships and volunteer positions..