Juliana A. Vianna

The paper compares the survival and movement of chinstrap penguin fledglings in 2017 and 2025 relative to krill fishing vessel activity, finding that reduced overlap increased apparent survival.

The paper uses drone surveys to assess population changes in three seabird species in an Antarctic protected area, finding a significant decline in Chinstrap Penguins and growth in Gentoo Penguins and Antarctic Shags.

This study tracks the spread and evolution of H5N1 in the sub-Antarctic and Antarctica, revealing long-distance dispersal and mammalian-adaptive mutations.

The paper reports HPAIV A/H5 infections in skuas along the West Antarctic Peninsula and beyond the Antarctic Polar Circle, linking them to mortalities and marking the southernmost record of such events.

The paper reports suspected H5N1 avian influenza cases in penguins and shags in Antarctica using PCR, indicating the virus's spread to the region.

This study assesses the distribution and abundance of the West Indian manatee in the Panama Canal to inform conservation strategies.