Canine litters commonly number about 4 to six younger born after a gestation period of 51–80 times, depending on the species. The Arctic fox has the largest litter among carnivores, averaging about 11 but sometimes numbering 20 or even more. Arctic foxes give birth within a den in the ground, https://collinsehjm.madmouseblog.com/16297160/about-senior-dog-care