Publications
Population declines and changes in community composition at the world’s largest penguin colony
Ratcliffe, N., J. Dickens, G. Clucas, K. Pütz, N. Fenney, E. Mackley, T. Hart, L. Cugniere, C. Colesie, N. Richter, M. Belchier, A. Skachkova, H. Lynch, P. Convey and P. Fretwell. 2026. Population declines and changes in community composition at the world’s largest penguin colony. In press at Current Biology.
Revisiting “Penguins in the anthropause: Covid-19 closures drive gentoo penguin movement among breeding colonies”
Flynn, C.M, M. Wethington, M. Hilton, G.V. Clucas, T. Hart, G.R.W. Humphries, C. Nichol, and H.J. Lynch. 2026. Revisiting ‘Penguins in the anthropause: COVID-19 closures drive gentoo penguin movement among breeding colonies. Biological Conservation 315: 111715.
Record phenological responses to climate change in three sympatric penguin species
Martinez, I.J., A. Kacelnik, F.M. Jones, J. Hinke, M.J. Dunn, A. Raya Rey, H.J. Lynch, K. Owen, and T. Hart. 2026. Record phenological responses to climate change in three sympatric penguin species. Journal of Animal Ecology 95: 455-469. doi: 10.1111/1365-2656.70201.
The influence of biotic and abiotic factors on the bacterial microbiome of gentoo penguins (Pygoscelis papua) in their natural environment
Kaczvinsky, C., H. Levy, S. Preston, C. Youngflesh, G. Clucas, H.J. Lynch, A.L. Smith, and T. Hart. The influence of biotic and abiotic factors on the bacterial microbiome of gentoo penguins (Pygoscelis papua) in their natural environment. 2024. Scientific Reports 14:17933.
Update on the abundance and distribution of Macaroni penguins (Eudyptes chrysolophus) in the Antarctic Peninsula region
Hallet, M., and H.J. Lynch. 2024. Update on the abundance and distribution of Macaroni Penguins (Eudyptes chrysolophus) in the Antarctic Peninsula region. Polar Biology 47: 607-615.
Whole genome sequencing reveals stepping stone dispersal buffered against founder effects in a range expanding seabird
Herman, R.W., G. Clucas, J. Younger, J. Bates, B. Robinson, S. Reddy, J. Stepanuk, K. O’Brien, K. Veeramah, and H.J. Lynch. 2024. Whole genome sequencing reveals stepping stone dispersal buffered against founder effects in a range expanding seabird. Molecular Ecology 00:e17282.
Penguins in the Anthropause: Covid-19 closures drive gentoo penguin movement among breeding colonies
Flynn, C.M, T. Hart, G.V. Clucas, and H.J. Lynch. 2023. Penguins in the anthropause: Covid-19 closures drive Gentoo penguin movement among breeding colonies. Biological Conservation 286: 110318.
Adelie penguins north and east of the Adelie gap continue to thrive in the face of dramatic declines
Wethington, M., C. Flynn, A. Borowicz, and H.J. Lynch. 2023. Adélie penguins north and east of the ‘Adélie gap’ continue to thrive in the face of dramatic declines elsewhere in the Antarctic Peninsula region. Scientific Reports 13: 2525.
Fifty-Year Change in Penguin Abundance on Elephant Island, South Shetland Islands, Antarctica: Results of the 2019-20 Census
Strycker, N., A. Borowicz, M. Wethington, S. Forrest, V. Shah, Y. Liu, H. Singh, H. J. Lynch. 2021. Polar Biology 44(1): 1-12.
A Global Population Assessment of the Chinstrap Penguin (Pygoscelis antarctica)
Strycker, N., M. Wethington, A. Borowicz, S. Forrest, C. Witharana, T. Hart, H. J. Lynch. 2020. Scientific Reports 10: 19474.
Presence of King Penguins (Aptenodytes patagonicus) on Elephant Island Provides Further Evidence of Range Expansion
Borowicz, A., S. Forrest, N. Strycker, M. Wethington, H. J. Lynch. 2020. Polar Biology 43: 2117-2120.
Large-Scale Assessment of Intra- and Inter-Annual Breeding Success Using a Remote Camera Network
Youngflesh, C., F.M. Jones, H.J. Lynch, J. Arthur, Z. Rockaiova, H. Torsey, and T. Hart. 2020. Remote Sensing in Ecology and Conservation 7(1): 97-108.
Regional Breeding Bird Assessment of the Antarctic Peninsula
Schrimpf, M., C. Che-Castaldo, and H.J. Lynch. 2020. Polar Biology 43, 111–122
Tourism and Stress Hormone Measures in Gentoo Penguins on the Antarctic Peninsula
Lynch, M.A., C. Youngflesh, N.H. Agha, M.A. Ottinger, and H.J. Lynch. 2019. Polar Biology 42: 1299-1306.
King Penguin Populations Increase on South Georgia But Explanations Remain Elusive
Foley, C.M., T. Hart, and H.J. Lynch. 2018. Polar Biology 41(6): 1111-1122.
Population Status of the Antarctic Shag (Phalacrocorax [atriceps] bransfieldensis)
Schrimpf, M., R. Naveen, and H.J. Lynch. 2018. Antarctic Science 30(3): 151-159.
Variation in the Ecstatic Display Call of the Gentoo Penguin (Pygoscelis papua) Across Regional Geographic Scales
Lynch, M.A., and H.J. Lynch. 2017. Auk 134(4): 894-902.
Ultra-Fine Spatially-Integrated Mapping of Habitat and Occupancy Using Structure-from-Motion
McDowall, P., and H.J. Lynch. 2017. PLoS ONE 12(1): e0166773.
In Stark Contrast to Widespread Declines Along the Scotia Arc, a Survey of the South Sandwich Islands Finds a Robust Seabird Community
Lynch, H.J., R. White, R. Naveen, A.D. Black, M.S. Meixler, and W.F. Fagan. 2016. Polar Biology 39: 1615-1625.
A Comprehensive Coastal Seabird Survey Maps Out the Front Lines of Ecological Change on the Western Antarctic Peninsula
Casanovas, P.V., R. Naveen, S. Forrest, J. Poncet, H.J. Lynch. 2015. Polar Biology 38:927-940.
Antarctic Site Inventory Breeding Bird Survey Data 1994/95-2012/13
Lynch, H.J., R. Naveen, P.V. Casanovas. 2013. Ecology (Data Paper) 94(11): 2653.
Understanding Lichen Diversity on the Antarctic Peninsula Using Parataxonomic Units as a Surrogate for Species Richness
Casanovas, P., H.J. Lynch, R. Naveen, and W.F. Fagan. 2013. Ecology (Data Paper) 94(9): 2110-2110.
Multi-Scale Patterns of Lichen and Moss Richness on the Antarctic Peninsula
Casanovas, P., H.J. Lynch, and W.F. Fagan. 2013. Ecography 36: 209-219.
Penguin Eggshell Membranes Reflect Homogeneity of Mercury in the Marine Food Web Surrounding the Antarctic Peninsula
Brasso, R.L., M.J. Polito, H.J. Lynch, R. Naveen, and S.D. Emslie. 2012. Total Science of the Environment 439: 165-171.
First Direct, Site-Wide Penguin Survey at Deception Island, Antarctica Suggests Significant Declines in Breeding Chinstrap Penguins
Naveen, R.*, H. J. Lynch*, S. Forrest, T. Mueller, and M. Polito. 2012. Polar Biology 35(12): 1879-1888. [* joint first authors]
Spatially Integrated Assessment Reveals Widespread Changes in Penguin Populations on the Antarctic Peninsula
Lynch, H.J., R. Naveen, P.N. Trathan and W.F. Fagan. 2012. Ecology 93(6): 1367-1377.
Stable Isotopes Reveal Regional Heterogeneity in the Pre-Breeding Distribution and Diets of Sympatrically Breeding Pygoscelis spp. Penguins
Polito, M.J., H.J. Lynch, R. Naveen, and S.D. Emslie. 2011. Marine Ecology Progress Series 421: 265-277.
Population Trends and Reproductive Success at a Frequently Visited Penguin Colony on the Western Antarctic Peninsula
Lynch, H.J., W.F. Fagan, and R. Naveen. 2010. Polar Biology 33(4): 493-503.
Long-Term Changes in Populations of Seabirds on Petermann Island and Surrounding Islands in Graham Land, Antarctic Peninsula
Chesalin, M. R. Naveen, H. Lynch, I. Bullock, M. Rider, A. Miller, S. Forrest, R. Dagit, I. Dykyy, and V. Timofeyev. 2009. Marine Ecological Journal VIII(3): 5-13.
Censuses of Penguin, Blue-Eyed Shag Phalacrocorax Atriceps and Southern Giant Petrel Macronectes Giganteus Populations on the Antarctic Peninsula, 2001-2007
Lynch, H.J., R. Naveen, and W.F. Fagan. 2008. Marine Ornithology 36: 83-97.