Variation in brown rat cranial shape shows directional selection over 120 years in New York City
Abstract
Urbanization exposes species to novel environments and selection pressures that may change morphological traits within a population. We investigated how the shape and size of crania and mandibles changed over time within a population of brown rats (Rattus norvegicus) living in Manhattan, New York, USA, a highly urbanized environment. We measured 3D landmarks on the cranium and mandible of 62 adult individuals sampled in the 1890s and 2010s....
Paper Details
Title
Variation in brown rat cranial shape shows directional selection over 120 years in New York City
Published Date
Apr 15, 2020
Journal
Volume
10
Issue
11
Pages
4739 - 4748
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