| Level 1 | Thriving Requirement 1: at least 10 objects or plants with the Climbable tag | | |
| Level 2 | Thriving Requirement 2: Water Surface Area; White-Tailed Sea-Eagle Fact Sheet | | |
| Level 3 | Release groups and release to the wild | | |
| Level 4 | Thriving Requirement 3: Food Grade 2; Fertility Level 1 (+15% fertility) | Before this level: an Observation Network (Observation Platform) in Sweden Reserve and this species released in Sweden Reserve | |
| Level 5 | Thriving Requirement 4: at least 50% native plants | | |
| Level 6 | Thriving Requirement 5: Cup Nest - Large, at least 3; Fertility Level 2 (+30% fertility) | | |