Why do dachshunds have so much extra skin?

Dachshunds don't actually have "extra skin" in the sense that it's loose and hanging. They do have more skin in proportion to their body size than other breeds, which contributes to their distinctive look.

There are a few reasons for this:

* Hunting heritage: Dachshunds were bred to hunt badgers in burrows. Their long, low body shape allows them to navigate tunnels easily, and their loose skin provides some protection from bites and scratches. The extra skin can also help them squeeze through narrow openings.

* Genetics: The extra skin is likely a genetic trait that's been selected for over generations, as it proved beneficial for their hunting tasks.

* Coat: Dachshunds come in smooth, wirehaired, and longhaired varieties. While the amount of skin remains similar, the hair adds to the overall appearance of "extra skin," especially in longhaired dachshunds.

However, it's important to remember that too much loose skin can be a problem. It can trap moisture and lead to skin infections, especially in hot and humid climates. Owners should be mindful of keeping their dachshund's skin clean and dry to prevent potential health issues.

So, while dachshunds don't have "extra skin" in the sense of being loose and floppy, their distinctive appearance is due to a higher proportion of skin to body size, which is linked to their hunting heritage and genetic makeup.