What is the strongest bird?
By fighting power, the Ostrich tops the birds with a power index of 61.3, followed by the Secretary Bird (54.9) and the Cassowary (54.9).
Which birds are S tier?
None reach S tier (power index 72+). The best are Ostrich, Secretary Bird, Cassowary.
How is this tier list made?
Every animal has six research-based ratings from 0 to 100. The power index weighs them: attack 28%, defense 25%, agility 16%, stamina 14%, special 10%, intelligence 7%. Tiers use fixed cutoffs, not quotas.
Is this pound-for-pound?
No. Ratings are absolute: a bullet ant can be incredible for its size and still rank far below a wolf, which is why small animals sit in the lower tiers.
Animal BattleStats 
