
Photo Essay: South Polar Skua, the Antarctic Survivor
2018年1月8日 · Adelie Penguins can easily be triple the weight of a South Polar Skua. Skuas use their one key advantage, nimbly taking to the air to stay out of range of a protective penguin parent's flipper or beak.
The Antarctic Sun: News about Antarctica - The Infamy of the Skua
2020年11月16日 · An Adelie penguin defends its nest from a skua at the Cape Crozier penguin colony. However, penguins aren’t the skua’s only source of food. They will gladly snatch meals away from other species of birds, such as gulls and terns.
Penguins Strike Back: A Report on the Unusual Case of Adélie
2021年4月26日 · Here, we present unusual photographs in which south polar skua (Stercorarius maccormicki) nests were attacked by Adélie penguins despite being far from the penguin colony.
Bottom-up effects drive the dynamic of an Antarctic seabird …
2024年6月25日 · In this study, we aimed to understand the combined effects of interspecific interactions and environmental conditions on the demographic parameters of a prey–predator system of three sympatric seabird populations breeding in Antarctica: the south polar skua (Catharacta maccormicki) and its two main preys during the breeding season, the ...
Ice and fury: penguins vs. skuas - CGTN
2019年12月2日 · The footage captures an interesting encounter between a group of Adelie penguins and two skuas. After looking at each other for a while, the penguins approached the skuas, and chased one of them after the skua fled in horror to keep a safe distance.
Bottom-up effects drive the dynamic of an Antarctic seabird
In this study, we aimed to understand the combined effects of interspecific interactions and environmental conditions on the demographic parameters of a prey-predator system of three sympatric seabird populations breeding in Antarctica: the south polar skua (Catharacta maccormicki) and its two main preys during the breeding season, the Adélie ...
(PDF) Carcasses of adelie penguins as a food source for south …
1994年1月1日 · AnsmAcr.-South Polar Skuas (Catharacta maccormicki) take eggs and young of Ad&lie Penguins (Pygoscelis adeliae) by scavenging and predation. We collected carcasses of pen- guins near Davis, East...
Human infrastructures correspond to higher Adélie penguin …
2024年3月9日 · Our study aims at pointing out the fine-scale impact of human infrastructures on the spatial variability in Adélie penguin (Pygoscelis adeliae) colonies dynamics. Taking 24 years of population monitoring, we modeled colony breeding success and growth rate in response to both anthropic and land-based environmental variables.
Regression model relating numbers of breeding pairs of South …
In the Ross Sea region, most South Polar Skuas (Stercorarius maccormicki) nest near Adélie Penguin (Pygoscelis adeliae) colonies, preying and scavenging on fish, penguins, and other carrion.
Adélie penguin colony size predicts south polar skua abundance …
2014年1月1日 · We estimated skua abundance at Adélie penguin colonies on Ross Island in two consecutive years and tested for a relationship between these estimates and penguin colony sizes.
- 某些结果已被删除