Here, a Galápagos penguin is perched on the molten rock of the Isabela Islands. The authors captured this photo during an 2021 expedition to collect microplastics in the Galápagos Marine Reserve.

Here, a Galápagos penguin is perched on the molten rock of the Isabela Islands. The authors captured this photo during an 2021 expedition to collect microplastics in the Galápagos Marine Reserve.

Avian species serve as sensitive indicators of environmental contamination, with mercury exposure emerging as a critical concern across diverse ecosystems. Mercury, particularly in its organic ...

Alexander Piro successfully defended his PhD thesis titled "Temporal and spatial patterns in mercury concentration, bioaccumulation, and biomagnification in lake food webs” on October 31st, 2025.