When considering the types of charities an often overlooked subgroup of Animal Charities is the Hunting and Fishing Organizations.  These are primarily member based organizations that seek to serve as advocacy groups for sportsmen (hunters, trappers, or fishermen). Game and habitat conservation typically are part of the missions of hunting and fishing organizations as well, as it is important to ensure that there remain healthy populations of game for future generations.  There are a couple of broad-based fishing and hunting organizations but you will notice that most tend to specialize around a particular game type.

Duck Unlimited Logo - Hunting and Fishing Conservation Organizations
Ducks Unlimited
Hunting organization
Website | $35 annual membership fee

NWTF - List of Hunting Conservation Groups
National Wild Turkey Federation
Hunting organization
Website | $35 annual membership fee

B&C Club - List of Hunting Conservation Clubs
Boone and Crockett Club
Hunting organization
Website | $35 annual membership fee

Rocky Mountain Elk Foundation - Elk Hunting Organizations
Rocky Mountain Elk Foundation
Elk hunting organization
Website | $35 annual membership fee

Fishing Organizations - Fishing Conservation - Trout Unlimited
Trout Unlimited
Fishing organization
Website | $35 annual membership fee (discounts available for youth and seniors)

Hunting Conservation Groups - Pheasants Forever
Pheasants Forever
Hunting organization
Website | $35 annual membership fee

International Hunting Organizations - SCI
Safari Club International
Hunting organization
Website | $65 annual membership fee (US) see intl

Hunting Conservation Groups - Delta Waterfowl
Delta Waterfowl Foundation
Hunting organization
Website | $30 annual membership fee

Fishing Organizations - International Game and Fish Associations
International Game Fish Association
Fishing organization
Website | $40 annual membership ($15 e-member)

Hunting Associations - U.S. Sportsmen's Alliance
U.S. Sportsmen’s Alliance Foundation
Hunting, fishing, and trapping advocacy organization
Website | $25 annual membership fee

Hunting Organizations - Whitetails Unlimited
Whitetails Unlimited
Whitetail deer hunting organization
Website | $25 annual membership fee (adult)
Not on twitter

Hunting & Conservation Societies - Ruffed Grouse Society
Ruffed Grouse Society

Hunting organization
Website | $25 annual membership fee
Not on twitter

Mule Deer Foundation
Hunting Organization
Website | $35 annual membership fee