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Seabirds

All articles tagged with #seabirds

H5N1 Bird Flu Reaches Australia, Triggering Urgent Wildlife Surveillance
science3 hours ago

H5N1 Bird Flu Reaches Australia, Triggering Urgent Wildlife Surveillance

Australia confirms the first detections of the highly pathogenic avian influenza H5N1 (clade 2.3.4.4b) in two seabirds off Western Australia, marking the virus’s arrival on the continent. The strain, now circulating globally, spreads rapidly and has devastated wildlife and poultry elsewhere, though human risk remains low. A national taskforce has been preparing since 2024, expanding surveillance and biosecurity, with discussions of wildlife vaccination in extreme cases. The public is urged to report sick or dead birds to authorities and avoid contact with wildlife to help containment.

H5N1 hits Western Australia’s offshore seabirds, triggering wildlife health alert
science1 day ago

H5N1 hits Western Australia’s offshore seabirds, triggering wildlife health alert

Two sick brown skua and giant petrel found on Western Australia’s southern coast tested positive for H5N1 avian influenza and died, marking Australia’s first detections and prompting heightened surveillance amid fears of a broader wildlife outbreak. Experts say there’s no confirmed spread yet, but seabirds could transport the virus as they forage offshore. People should avoid handling dead or sick birds and report sightings via the Emergency Animal Disease Hotline.

"Island Mouse Infestation Threatens Seabirds: Massive Extermination Planned"
environment2 years ago

"Island Mouse Infestation Threatens Seabirds: Massive Extermination Planned"

Mice introduced to Marion Island near Antarctica 200 years ago are now breeding out of control due to climate change, posing a threat to seabirds and unique biodiversity. Conservationists are planning a mass extermination using helicopters and rodent poison to prevent the potential loss of 19 seabird species. The eradication project, set for 2027, aims to preserve the island's ecology and is a critical conservation effort in the face of rising temperatures and the mice's devastating impact.

"Warming Island's Mouse Infestation Threatens Seabird Population: Extermination Plan in Motion"
environment2 years ago

"Warming Island's Mouse Infestation Threatens Seabird Population: Extermination Plan in Motion"

Mice introduced to Marion Island near Antarctica 200 years ago are now breeding out of control due to climate change, posing a threat to the island's unique biodiversity, particularly seabirds. Conservationists are planning a mass extermination using helicopters and rodent poison to prevent the potential loss of 19 seabird species. The eradication project, set for 2027, aims to preserve the island's ecology and is a critical step in protecting the uninhabited South African territory and the wider Southern Ocean.

"Alarming Levels of Microplastic Ingestion Found in Antarctic Seabirds"
environment2 years ago

"Alarming Levels of Microplastic Ingestion Found in Antarctic Seabirds"

A review of 40 years of research into seabird ingestion of microplastics in the polar regions reveals that 97% of sampled Antarctic seabirds have ingested microplastics, with at least 1 microplastic particle found in 90% of Arctic samples. The study identified 14 polymer types, with polyethylene being the dominant form, and highlighted the potential impacts on seabirds, including blockage of their gastrointestinal tract, toxicity, and oxidative stress. The findings underscore the pervasive reach of plastic pollution in the polar ecosystems and the urgent need for stricter conservation measures to mitigate environmental stressors in these regions.

"Pirate of the Seas: Great Skua Population Plummets Due to Bird Flu Outbreak"
environment2 years ago

"Pirate of the Seas: Great Skua Population Plummets Due to Bird Flu Outbreak"

The RSPB reports a significant decline in the populations of Great Skuas, Gannets, and Roseate Terns due to avian flu, with Great Skuas experiencing a 76% decrease. The H5N1 strain of avian flu caused mass mortalities of wild birds in 2021-2022, posing a major conservation threat to multiple seabird species. The decline in UK seabird populations is compounded by other threats such as climate change, fishing-related mortality, offshore wind developments, and food availability. The RSPB emphasizes the need for long-term vigilance and conservation efforts to protect these vulnerable seabird populations.

Avian Allies: How Feathered Friends Aid Coral Reefs in Climate Crisis
environment2 years ago

Avian Allies: How Feathered Friends Aid Coral Reefs in Climate Crisis

A study led by Lancaster University has found that the presence of seabirds on islands adjacent to tropical coral reefs can significantly boost coral growth rates and enhance their resilience to bleaching events caused by warming seas. The researchers discovered that Acropora coral near seabird colonies recovered from bleaching events approximately 10 months faster compared to reefs located away from seabird colonies. The key to this faster recovery is the nutrient-rich droppings of seabirds, which fertilize corals and other marine species. The study highlights the importance of restoring seabird populations and eradicating invasive species, such as rats, to support the long-term health and recovery of coral reefs in the face of climate change.

Bird Flu Reaches Antarctica, Threatening Penguins and Birds
health2 years ago

Bird Flu Reaches Antarctica, Threatening Penguins and Birds

The British Antarctic Survey has confirmed the first cases of bird flu in seabirds in the Antarctic, raising concerns about the rapid spread of the disease among dense colonies of birds and mammals. The birds are believed to have carried the Highly Pathogenic Avian Influenza (HPAI) virus on their return from migration to South America. Experts had previously warned of the risk of the virus spreading southward from South America to Antarctica due to the spring migration of wild birds. The presence of over 100 million breeding birds and other wildlife in the region increases the potential for efficient virus transmission.