A juvenile male Border Terrier.
Flickr user <a rel="nofollow" class="external text" href="https://www.flickr.com/people/primejunta/">Petteri Sulonen</a>
CC BY 2.0
Flickr <a rel="nofollow" class="external text" href="https://www.flickr.com/photos/primejunta/393059626/">here</a>