Several birds in danger of extinction ​ — including the imperial eagle, the black vulture, and the black stork — ​ depend on large cork oaks for suitable nesting sites.
Paljudele väljasuremisohus lindudele – sealhulgas kääpakotkale, raisakotkale ja must - toonekurele – pakuvad suured korgitammed sobivaid pesitsuspaiku.