CES Updates

Field Updates: Galápagos Islands, summer 2024

Boersma Lab, Updates from the Field /

In July 2024, Dr. Dee Boersma and Dr. Caroline Cappello traveled to the Galápagos Islands for a penguin expedition unlike any they’d experienced before. Since 2010, CES has collaborated with Galápagos National Park and conservationist Godfrey Merlen to visit penguin breeding areas and conduct research. After Godfrey’s passing in 2023, CES—with heavy hearts but optimism for the future—sought a new […]

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Droughts reshape apex predator space use and intraguild overlap

Publications /

From the Abstract:Droughts are increasing in frequency and severity globally due to climate change, leading to changes in resource availability that may have cascading effects on animal ecology. Although several studies have demonstrated the ecological impacts of drought, the behavioural responses of individuals that scale up to these broader-scale effects are not well known, particularly among animals in top trophic

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Males miss and females forgo: Auditory masking from vessel noise impairs foraging efficiency and success in killer whales

Publications /

Summary adapted from social media post by Anna Testorf: One of our recent studies illustrates how noise from large ships and other vessels decreases overall foraging success of fish-eating killer whales through a process known as auditory masking. Knowing how vessel noise affects killer whales can inform actions to mitigate noise and promote health and survival of these vulnerable populations

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Anthropogenic impacts at the interface of animal spatial and social behaviour

Publications /

From the abstract: “Here, we review studies of animal behaviour at the spatial–social interface to understand and predict how human disturbance affects animal movement, distribution and intraspecific interactions, with consequences for the conservation of populations and ecosystems. By understanding the spatial–social mechanisms linking human disturbance to conservation outcomes, we can better design management interventions to mitigate undesired consequences of disturbance.”

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Scale at the interface of spatial and social ecology

Publications /

From the abstract: “We propose three key innovations that incrementally build upon each other […] These conceptual innovations cast our understanding of the relationships between social and spatial dimensions of animal ecology in a new light, allowing a more holistic understanding and clearer hypothesis development for animal behaviour.” Authors: Simona Picardi, Briana L. Abrahms and Jerod A. MerkleJournal: Philosophical Transactions

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World African Wild Dog Day

News /

Happy World African Wild Dog Day! While most people know the Center for Ecosystem Sentinels for our work on penguins, we also research African Wild Dogs. In fact, Dr. Kasim Rafiq and graduate students Leigh West and Marie-Pier Poulin are just returning from Botswana right now! As usual, they worked alongside our collaborators from Botswana Predator Conservation over the summer.

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Global expansion of human-wildlife overlap in the 21st century

Publications /

“We show that the potential spatial overlap of global human populations and 22,374 terrestrial vertebrate species will increase across ~56.6% and decrease across only ~11.8% of the Earth’s terrestrial surface by 2070 […] The strong spatial heterogeneity of future human-wildlife overlap found in our study makes it clear that local context is imperative to consider, and more targeted area-based land-use

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Increasing environmental variability inhibits evolutionary rescue in a long-lived vertebrate

Publications /

“Using a multidecadal dataset on Magellanic penguins, we show that despite strong selection on body size, some environmental conditions favored larger bodies, and others favored smaller bodies, thus preventing consistent evolution in one direction or the other […] Such findings highlight that fluctuating selection can be driven by environmental variability, and these processes could eliminate the possibility of evolutionary rescue

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PENGUINS: Natural History and Conservation

Boersma Lab /

Published over 10 years ago, Penguins: Natural History and Conservation is still considered the publication about penguins. UW PressBookshop.comAmazon.com Penguins, among the most delightful creatures in the world, are also among the most vulnerable. The fragile status of most penguin populations today mirrors the troubled condition of the southern oceans, as well as larger marine conservation problems: climate change, pollution,

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