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Feather corticosterone reveals that urban great tits experience lower corticosterone exposure than forest individuals during dominance-rank establishment

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Aggressive interactions between city-dwelling great tits could be more frequent due to higher population densities compared with forest habitats. However, urban great tits had lower levels of corticosterone (“stress hormones”)… Click to show full abstract

Aggressive interactions between city-dwelling great tits could be more frequent due to higher population densities compared with forest habitats. However, urban great tits had lower levels of corticosterone (“stress hormones”) in feathers suggesting that competing for the top spots in a flock is less stressful in the city.

Keywords: corticosterone reveals; urban great; corticosterone; great tits; reveals urban; feather corticosterone

Journal Title: Conservation Physiology
Year Published: 2023

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