Figure - PMC

Skip to main content

An official website of the United States government

Here's how you know

Here's how you know

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Secure .gov websites use HTTPS
A lock ( ) or https:// means you've safely connected to the .gov website. Share sensitive information only on official, secure websites.

View full-text article in PMC

. 2019 Nov 29;66(4):401–405. doi: 10.1093/cz/zoz060

Search in PMC
Search in PubMed
View in NLM Catalog
Add to search

© The Author(s) (2019). Published by Oxford University Press on behalf of Editorial Office, Current Zoology.

This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/4.0/), which permits non-commercial re-use, distribution, and reproduction in any medium, provided the original work is properly cited. For commercial re-use, please contact journals.permissions@oup.com

PMC Copyright notice

Figure 1. — Scatterplot depicting the linear relationship between average yawn duration (Mean ± SEM) and average brain weight across dog breeds. Breeds in order of mean yawn duration: Pekingese, Toy Fox Terrier, Chihuahua, Boston Terrier, Miniature Poodle, Pug, Toy Poodle, Dachshund, Bulldog, Cocker Spaniel, Miniature Schnauzer, Collie, Doberman Pinscher, Boxer, Standard Schnauzer, Labrador Retriever, Golden Retriever, Standard Poodle, Great Dane, Beagle, Old English Sheepdog, German Shepherd, and Weimaraner.