Gizmo fledged at about 91 days old , which is roughly 13 weeks. One report also describes her as 90 days old at the time of her first flight, so the best answer is that she fledged at around 13 weeks.

Quick Scoop

  • The most consistent reports place Gizmo’s fledge at 91 days old.
  • Another source says she was 90 days old when she first took flight.
  • That fits the normal bald eagle fledging window of 10 to 14 weeks.

Context

Gizmo is one of Jackie and Shadow’s Big Bear bald eaglets, and her first flight happened in early June 2025.

The coverage describes the moment as her officially leaving the nest after weeks of practice and wing exercises.

Bottom Line

So, Gizmo was about 91 days old when she fledged.