Online voting started Tuesday for Alaska’s annual Fat Bear Week contest.

After a summer of feasting on sockeye salmon, the brown bears of Katmai National Park and Preserve are competing to be crowned the heaviest. The event not only showcases the bears' impressive weight gain but also highlights the region's rich ecosystem that supports such robust wildlife.

The competition is open for public voting, with Chunk, last year’s 1,200-pound champion, leading as a favorite.

Long-term, this event underscores the ecological health of Alaska's wilderness. However, it also serves as a reminder of the delicate balance affected by climate change and habitat loss.

What is the long-term climate outlook for this region?

The future of Katmai National Park’s ecosystem remains uncertain due to warming trends that could disrupt salmon populations. This, in turn, would impact the bears' diet and overall health. Conservation efforts are crucial to maintaining the park's biodiversity.

Conservation is key for sustaining the region's wildlife.