Almost certainly.
A chihuahua's paw print looks like the paw print of all other dogs, only smaller.
yes small dogs have small prints and big dogs have big prints
put a treat just in front of the card
cat paw print
Yes, different animal paw prints in tattoos do represent different things. The paw print of a tiger could represent power or strength, while the paw print of a dog might represent loyalty and friendship.
GNOME has a black and white paw for a logo
Dry the paw pads which are the paw print that is rough with a cloth or paper towels. I have 3 dogs and we keep a towel to clean and dry their paw pads after walks
A seal
plaster of paris, or if you want an ink print you can take fingerprinting ink and set you dogs foot on it then set it on paper.
Not to the same extent that humans have fingerprints, no. Cat's pads are basically smooth, not having the ridges that make human fingerprints. While injury can make a cat's paw print unique, there is very little else apart from sheer size to distinguish one cat's paw print from another's.
If the food is all the same then its just playing if there are different flavors then it could be picking out what it likes best.
I provided a link that shows a picture of a paw print