Photograph animals at eye level. Kneeling or lying on the ground is often necessary to get the best perspective.
The best lighting occurs during the "golden hours"—the first two hours after sunrise and the last two hours before sunset. Settings:
Fast shutter speeds (1/1000s or faster) are necessary for birds and fast-moving wildlife. ISO: Use a moderate or Auto ISO in daylight.
Research your target species' habitat, behavior, and migratory patterns to know where to find them. II. Wildlife Photography Techniques