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Size of the breed is correlated with litter size. Miniature and small breeds average three to four puppies in each litter, with a maximum litter size of about 5–8. Large and giant breeds average 7 puppies per litter but can have a maximum litter size of about 15. [25]
The difference in size and proportion between some breeds are as great as those between any wild genera, but all dogs are clearly members of the same species. [5] In 2010, a study of dog skull shape compared to extant carnivorans proposed that "The greatest shape distances between dog breeds clearly surpass the maximum divergence between ...
For domestic dogs the tie may last up to half an hour or more, though usually less. [7] When male canines are sexually excited, the bulbus glandis may swell up inside the penile sheath, even if the dog has been neutered. [8] The bulbus glandis also occurs in the penises of some pinnipeds, including South American fur seals. [9]
Selective breeding began as a way to make dogs smaller in size and also to make them more docile. One article explains , "Domestic dogs first emerged as early as 30,000 years ago in Southeast Asia ...
Video_of_Penile_erection.ogv (Ogg multiplexed audio/video file, Theora/Vorbis, length 24 s, 320 × 240 pixels, 989 kbps overall, file size: 2.8 MB) This is a file from the Wikimedia Commons . Information from its description page there is shown below.
A video that's gone viral online is showing off dogs "in different fonts" and TBH it's spot on. Woodland West Pet Resort in Oklahoma made the hilarious clip and they really captured how some dogs ...
For diseases and disorders of dog anatomy, see Category:Dog health. Pages in category "Dog anatomy" The following 34 pages are in this category, out of 34 total.
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