"Better protection, good prey base and availability of water are three key factors why Bor is becoming a safe haven for tigers,"

Tigers occasionally wander into the area, but do not have a large enough prey base to make residence in these forests feasible.

Female territories are located in areas of high prey base, which therefore determine male territories.

Generally, western rattlesnakes occupy areas with an abundant prey base.

The high potential clutch size allows for a quick response to increases in the prey base.

Wild pigs and cervids formed their main prey base.

Behind fish, the next most significant prey base for Bald Eagles are other waterbirds.

Forests in Pilibhit have at least 36 tigers and a good prey base for their survival.

Other researchers suggest that pesticides may simply have killed off too much of the insect prey base the birds rely upon.

The maintenance of a high-density prey base will also be an important factor.