Size and wingspan
Females are larger than males and can reach wingspans around 6 to 7.5 feet. That size difference is part of how observers knew Jackie was female.
Useful basics
Eggs and incubation
Bald eagles typically lay 1 to 3 eggs. Incubation commonly runs about 34 to 36 days, with both adults sharing nest duty.
Nests
Eagles reuse and enlarge nests over time. The Big Bear nest is estimated around 5 by 4 feet and sits near the top of a Jeffrey pine.
Diet
Fish are central, but bald eagles also take rabbits, squirrels, waterfowl, and carrion depending on season and opportunity.
Lifespan
Wild bald eagles often live 20 to 30 years, but the first year after fledging is especially dangerous for young birds.
Voice
The classic movie scream usually is not a bald eagle at all. Their real calls are lighter whistles and piping notes.
Vision
Eagle eyesight is several times sharper than human vision, helping them locate prey at remarkable distances.
Plumage
Bald eagles do not get the iconic white head and tail until roughly 4 to 5 years of age, which is why younger birds look mottled brown.
Why this nest is different
High elevation
Big Bear Lake sits at roughly 6,752 feet, which means eggs and chicks face colder spring storms than many other well-known eagle nests.
Year-round residency
Jackie and Shadow are treated as year-round Big Bear residents, which makes the nest story feel ongoing instead of seasonal-only.
Solar-powered cameras
The camera system runs on solar and battery power, with infrared night capability and maintenance handled through specialized climbing access.
A recovery story worth remembering
1940
The Bald Eagle Protection Act made it illegal to kill or possess bald eagles.
1963
The lower-48 population crashed to just 417 nesting pairs, with DDT as a major driver of reproductive failure.
1972
DDT was banned in the United States, helping reverse one of the biggest pressures on eagle reproduction.
2007
Bald eagles were removed from the federal endangered species list after a dramatic population recovery.
2012
Jackie hatched in Big Bear Valley, creating a local milestone inside the broader national recovery story.
Viewer questions that come up again and again
Is the current Shadow the same bird as the earlier chick named Shadow?
No. The source material makes clear that plumage analysis showed Jackie's mate Shadow is a different bird from the earlier fledged chick with the same name.
Are Jackie and Shadow related?
No. Shadow's origin is unknown, but the documentation used for the Big Bear pages treats them as unrelated birds.
Why do watchers care so much about storms?
At Big Bear's elevation, snow and wind can change chick survival odds quickly. Multiple seasons in the timeline turned on weather.
Why can the eggs take longer than a simple calendar estimate?
Exact lay date is not always the same as full incubation start, so viewers track both calendar math and the adults' behavior on the nest.
Can people hike up to the nest?
No. The nest area is protected by a seasonal closure and federal eagle-protection rules. The camera exists so people do not have to physically approach the site.
Who runs the stream and the updates?
Friends of Big Bear Valley runs the livestream and the public-facing documentation around the nest.