Biology

Four millennia of long-term individual foraging site fidelity in a highly migratory marine predator

E. J. Guiry, M. James, et al.

This groundbreaking research by Eric J Guiry, Margaretta James, Christina Cheung, and Thomas C A Royle delves into the isotopic compositions of endangered short-tailed albatross bone collagen over four millennia, revealing astonishing insights into long-term individual foraging site fidelity. Discover how past populations exhibited remarkable stability in their foraging locations and the implications for conservation as these majestic birds make a comeback.

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Abstract

This study investigates the isotopic compositions of endangered short-tailed albatross (Phoebastria albatrus) bone collagen over four millennia to understand long-term individual foraging site fidelity (IFSF). While not present in modern populations, past sub-populations exhibited high IFSF, focusing on the same locations for hundreds of generations. This suggests density-driven IFSF and highlights potential conservation implications as populations recover, increasing exposure to localized hazards.

Publisher

Communications Biology

Published On

Apr 14, 2022

Authors

Eric J Guiry, Margaretta James, Christina Cheung, Thomas C A Royle

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