Recent outbreaks of H5N1 have caused mass mortality. Interestingly, some survivors develop a permanent black iris , which serves as a visible marker of their resilience against the virus.
Warming waters are driving key prey species, like mackerel and capelin, further north. This forces gannets to fly longer distances for food, increasing their energy expenditure and decreasing breeding success. Download File Barbera & Collar - Gannet.zip
Below is an article summarizing the critical ecological challenges facing the Northern Gannet , based on the themes typically found in their research. Recent outbreaks of H5N1 have caused mass mortality
) conducted by experts such as (whose work often appears with Barbera in citations) and Nigel Collar . These researchers are known for documenting the impact of marine debris and entanglements on seabird populations. like mackerel and capelin