two naughty one month old puppies play around with a piece of straw. behavioral and personality development in young dogs

weeks active activity adorable aspin backyard behavior bite canine curious cute duo energetic energy fun garden grass happiness healthy inquisitive interact lawn littermates little lively mischief mischievousness mixed breed naughty outdoor outside pair park personality play playful playfulness pup puppy rascal siblings together vigor waggishness whelp young inspect straw teething two one month old puppies piece behavioral development dogs straw dogs