[Biostudent] CES Updates: Fall 2024

[BIOLOGY via Biostudent]

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African wild dog walking towards the camera. Photo credit: Krystyna Jordan




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Updates From the Field
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African wild dog pups. Photo credit: Krystyna Golabek
Botswana, Summer 2024
In June 2024, postdoctoral researcher Dr. Kasim Rafiq and PhD candidate Leigh West from Dr. Briana Abrahms' lab returned to Wild Dog Camp in the Okavango Delta and were joined by Briana's new PhD student Marie-Pier Poulin. The team successfully deployed six new tracking collars on African wild dogs, including in two brand new packs, and added four new collars to lions in the region. One of the more challenging deployments involved the elusive Release Pack, which was denning four hours from camp and deep into 4 km of dense mopane woodland. The terrain was so thick that the pack had to be initially located by triangulating an old collar signal from a small-winged plane before the team could track them in their trusty land rovers.

Read more about the Abrahms Lab’s time in the Okavango Delta on the website<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=565ba287e3&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCDiFcuBM$>. Looking for video? Watch episode 12 of AppleTV’s “EarthSounds!”<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=70e8705e33&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCjI93doQ$>
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Galapagos penguin. Photo credit: Dee Boersma
Galápagos Islands, 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<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=fa375eac0c&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCNKIaoZc$> 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 path forward for the Galápagos penguin project.

Read more about our collaboration with Galápagos National Park, Silversea Cruises<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=8867335cb9&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCHOmOzv0$> (made possible by collaborator Aura Banda Cruz), and Jocotoco Conservation Foundation<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=72e45f614a&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezC0u_jCYY$> on the website. Read more ➔<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=7df45c6742&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCCI_TTHg$>

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Personnel Updates
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Long-time Center researcher Ginger Rebstock retires
Dr. Ginger Rebstock has been a researcher in the Center since before it was even the Center! She joined the Boersma Lab over 20 years ago, and has authored 28 papers in that time. Her latest paper about penguin feet, a study that leverages our 40+ year dataset on penguins, should be coming out by the end of the year.

Thank you Ginger for all of your wisdom and contributions to the Center. We miss you already!
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Abrahms Lab grad student publishes first article
Congratulations to Leigh West, Dr. Abrahms’s graduate student, who just recently published her first paper as lead author. Her research article, “Droughts reshape apex predator space use and intraguild overlap<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=9b00874fd3&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCVykWGXM$>,” was published in the Journal of Animal Ecology on October 4th, and also serves as the second chapter of her dissertation. This is an exciting milestone for Leigh as she works to finish up her PhD.

Read more about her paper in her featured blog post in Animal Ecology in Focus<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=db393b34f4&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCS4FRZpA$>.
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New students in the Abrahms Lab
Briana's new PhD students, Meredith Honig and Marie-Pier Poulin, are starting to settle into grad school life. Marie-Pier was able to start field work early, and worked in Botswana over the summer. We'll be featuring her first impressions of working with African wild dogs in the next newsletter. Meredith will be flying to Punta Tombo for the first time in January; expect her thoughts in the Spring update.


Research Updates
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Males miss and females forgo: Auditory masking from vessel noise impairs foraging efficiency and success in killer whales<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=7480a741ec&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCOWKnzNY$>: This study illustrates how noise from large ships and other vessels decreases overall foraging success of fish-eating killer whales through a process known as auditory masking. Knowing how vessel noise affects killer whales can inform actions to mitigate noise and promote health and survival of these vulnerable populations. Featured in KUOW<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=956a2b96c5&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCN8-hvPo$>, KIRO 7<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=00462b69cb&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCw4Ebiw4$>, MSN<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=1b3f939ce2&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCYPqeCHU$> and E&E NEWS<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=131e49ca8d&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezC3QF0Tk0$> (among others).

Photo credit: Candice Emmons, NOAA Fisheries.
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Foot darkening with age in Spheniscus penguins: applications and functions<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=bbe9812d5c&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCWHAS0gQ$>: “We propose foot darkening as a way to assess age structure in Spheniscus penguins. Foot color in a colony of Magellanic penguins can provide a rapid, noninvasive method to estimate the age structure of the colony.”

Photo credit: Dee Boersma
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Global expansion of human-wildlife overlap in the 21st century<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=e675c0f68e&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCKTzDhWE$>: “We show that the potential spatial overlap of global human populations and 22,374 terrestrial vertebrate species will increase across ~56.6% and decrease across only ~11.8% of the Earth’s terrestrial surface by 2070.” Featured in The Guardian<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=cbe3cd5772&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCh2cLkQY$> and UW News<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=31f0ff592d&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezC1UpLEl0$> (among others).

Photo credit: Peter Brack
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Increasing environmental variability inhibits evolutionary rescue in a long-lived vertebrate<https://urldefense.com/v3/__https:/ecosystemsentinels.us17.list-manage.com/track/click?u=2f68621c467cb89eaa79be1a0&id=a715f648a9&e=519a6b3d99__;!!K-Hz7m0Vt54!k_3V-sGnamnAtdsG3ThxnyZF5o-6Xs2pBnEeWQwybjRu3TCoa3egdLr9lx4COmLxyvDwuplHiJgUETcF6ezCCEkH-c8$>: “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.”
Photo credit: Dee Boersma
In the Next Issue: Winter 2025
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A Magellanic penguin basking in the sunlight. Photo credit: Dr. Eric Wagner
Quarterly updates
We are trying something new and going quarterly! Now you’ll be able to follow us seasonally.

Argentina updates
Are the new weight bridges working? How’s Punta Tombo like in December? What do our new field volunteers, Bryn Carter and Sofia Denkovski, enjoy about penguin field work?

Research updates
As usual, we’ll let you know what we’ve published lately. We are hoping to have a few more papers out by the end of the year…

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