411 REFERENCE · Wiktionary
Bergmann's rule
Reference material by Wiktionary contributors. This retains its source identity and is not 411 news reporting.
English
Etymology
Named after Carl Bergmann, 19th-century German biologist.
Proper noun
The ecogeographic principle that, within a broadly distributed taxonomic clade, populations and species of larger size are found in colder environments, and species of smaller size are found in warmer regions.
Anagrams
en abeeglmnnrrsu regnal numbers
en eponyms