ArticleRoyal Society open science2022
Phenotypic plasticity determines differences between the skulls of tigers from mainland Asia.
Article in Royal Society open science, 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 9 papers.
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9 citing papers in PubMed, 15 citations in OpenAlex.
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- Evolution and ecology of body size in the world's largest bats.Proceedings. Biological sciences · 2025Article
- A web-based tool for rapid and accurate craniometric differentiation of clouded leopard species.Scientific reports · 2025Article
- Adaptation in the Alleyways: Candidate Genes Under Potential Selection in Urban Coyotes.Genome biology and evolution · 2025Article
- Morphological change in an isolated population of red squirrels (Royal Society open science · 2025Article
- Skull morphology analysis suggests the extinct Cape lion, Panthera leo melanochaita (Smith, 1842), is not distinctive.Scientific reports · 2024Article
- Getting to the Meat of It: The Effects of a Captive Diet upon the Skull Morphology of the Lion and Tiger.Animals : an open access journal from MDPI · 2023Article
- Phenotypic plasticity determines differences between the skulls of tigers from mainland Asia.Royal Society open science · 2022Article
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Authors and funding
7 authors at 6 institutions in 4 countries.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Tiger subspecific taxonomy is controversial because of morphological and genetic variation found between now fragmented populations, yet the extent to which phenotypic plasticity or genetic variation affects phenotypes of putative tiger subspecies has not been explicitly addressed. In order to assess the role of phenotypic plasticity in determining skull variation, we compared skull morphology among continental tigers from zoos and the wild. In turn, we examine continental tiger skulls from across their wild range, to evaluate how the different environmental conditions experienced by individuals in the wild can influence morphological variation. Fifty-seven measurements from 172 specimens were used to analyse size and shape differences among wild and captive continental tiger skulls. Captive specimens have broader skulls, and shorter rostral depths and mandible heights than wild specimens. In addition, sagittal crest size is larger in wild Amur tigers compared with those from captivity, and it is larger in wild Amur tigers compared with other wild continental tigers. The degree of phenotypic plasticity shown by the sagittal crest, skull width and rostral height suggests that the distinctive shape of Amur tiger skulls compared with that of other continental tigers is mostly a phenotypically plastic response to differences in their environments.
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