8 of them were brought in a horse trailer. Referred to as a day of redemption and a day of hope by environmentalists. For a few hours, the mood was dampened due to an agricultural group creating an emergency appeal. The judge quickly lifted the appeal to limit the amount of time the wolves spent caged. Canada houses the largest wolf population (52 000 - 60 000) Litters are 6-8 and raised by the whole pack. Packs survive and reach success through keeping a strict system of hierarchies. Wolves have very high reproductive rates, esp. in vacant territory. The ecological role of the wolf trophic levels- an organism"s position in a food chain, determined by the number of energy-transfer steps to that level. Wolves exist in the level of top carnivores (apex predators) Biodiversity, species distribution and abundance are determined by abiotic and biotic factors.