Sarah Ann Knutie
Associate Professor/Ecology and Evolutionary Bio

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The cost of ectoparasitism in Cliff Swallows declines over 35 years
2021
Amy T. Moore, Bruce Rannala, Catherine E. Page, Stacey L. Hannebaum, Charles R. Brown, Erin A. Roche, Sarah A Knutie, Valerie A. O’Brien, Gigi S. Wagnon, Mary B. Brown
Research Type: Journal Article

Using the Nest Parasite Community Science Project to understand interactions between bird hosts and their nest ectoparasites
2021
Sarah A Knutie
Research Type: Poster/Presentation

Urbanization increases host resistance to Philornis downsi in the Galapagos Islands
2021
Sarah A Knutie
Research Type: Poster/Presentation

Effects of urbanization on host resistance to invasive parasites in the Galapagos Islands
2021
Sarah A Knutie
Research Type: Poster/Presentation

More than just nestlings: incidence of subcutaneous Philornis (Diptera: Muscidae) nest flies in adult birds
2020
Holly Garrod, Sarah A Knutie, Steven C. Latta, Christine D. Hayes, Martín A. Quiroga, Thomas Hayes, David L. Anderson, Leticia Soares
Research Type: Journal Article

No evidence of sex ratio manipulation by Galápagos mockingbirds in response to environment
2020
Sabrina M. McNew, Sarah A Knutie, Dale H. Clayton
Research Type: Journal Article

A meta‐analysis reveals temperature, dose, life stage, and taxonomy influence host susceptibility to a fungal parasite
2020
Erin L. Sauer, Suzanne Young, Elizabeth A. Roznik, Matthew D. Venesky, Brittany F. Sears, Sarah A Knutie, Nicole Ortega, Karena Nguyen, Neal Halstead, Bryan K. Delius, Taegan A. McMahon, David J. Civitello, Jeremy M. Cohen, Jason R. Rohr, Scott Bessler, Marc J. Lajeunesse
Research Type: Journal Article

Effect of introduced parasites on the survival and microbiota of nestling cactus finches (Geospiza scandens) in the Galápagos Islands
2020
Corinne Arthur, Lauren Albert, Sarah A Knutie, Kiley Chernicky, Alyssa M. Addesso, Taylor B. Verrett, Johanna A. Harvey, Shelby R. Simons, Jaime Chaves, Grace J. Vaziri
Research Type: Journal Article

Food supplementation affects gut microbiota and immunological resistance to parasites in a wild bird species
2020
Sarah A Knutie
Research Type: Journal Article

Finch in a pinch: effects of anthropogenic change on endemic birds in the Galapagos Islands
2020
Sarah A Knutie
Research Type: Poster/Presentation

Human activity can influence the gut microbiota of Darwin's finches in the Galapagos Islands
2019
Kiyoko M. Gotanda, Jaime A. Chaves, Sarah A Knutie
Research Type: Journal Article

Temporally varying disruptive selection in the medium ground finch (Geospiza fortis)
2019
Rowan D. Barrett, Diana M. Sharpe, Andrew P. Hendry, Luis F. De León, Jennifer A. Koop, Joost A. Raeymaekers, Luke O. Frishkoff, Jaime A. Chaves, Dale H. Clayton, Sarah A Knutie, Leithen K. M'Gonigle, Sarah K. Huber, Jeffrey Podos, Marc-Olivier Beausoleil
Research Type: Journal Article

Host tolerance and resistance to parasitic nest flies differs between two wild bird species
2019
McKenzie E. Ingram, John H. Hurlbert, Sarah A Knutie, Darya Y. Pokutnaya, Alexandra B. Parker, Kirstine M. Grab, Brian J Hiller
Research Type: Journal Article

Annual environmental variation influences host tolerance to parasites
2019
Dale H. Clayton, Sabrina M. McNew, Ashley Saulsberry, Graham B. Goodman, Sarah E. Bush, Angela Theodosopoulos, Janai R. Yépez, Sarah A Knutie
Research Type: Journal Article

Impacts of thermal mismatches on chytrid fungus Batrachochytrium dendrobatidis prevalence are moderated by life stage, body size, elevation and latitude
2019
Matthew D. Venesky, Karena H. Nguyen, Erin L. Sauer, Chloe Ramsay, Brittany Sears, Neal Halstead, David J. Civitello, Suzanne Young, Jeremy M. Cohen, Elizabeth A. Roznik, Taegan A. McMahon, Nicole Ortega, Bryan K. Delius, Scott Bessler, Jason R. Rohr, Sarah A Knutie
Research Type: Other Scholarly Work

Environmental change shapes host defenses against parasites
2019
Sarah A Knutie
Research Type: Poster/Presentation

Effects of supplemental feeding on gut microbiota and host defenses of Eastern Bluebirds
2019
Sarah A Knutie
Research Type: Poster/Presentation

Using box-nesting birds to explore methods in studying developmental immunity and gut microbiota
2019
Sarah A Knutie
Research Type: Poster/Presentation

Do host-associated gut microbiota mediate the effect of an herbicide on disease risk in frogs?
2018
K D Kohl, Sarah A Knutie, C R Gabor, J R Rohr
Research Type: Journal Article

Relationships among introduced parasites, host defenses, and gut microbiota of Galapagos birds
2018
Sarah A Knutie
Research Type: Journal Article