adorable black dog lying down with sad expression, close up of cute pup with big eyes on white background, heartwarming pet image

innocent nose serene tranquility affection pup quiet relaxed tender playful furry puppy companion sad friendly peaceful canine close friend fur paws delicate emotion gaze mammal pet whiskers dog expression lying resting lovable attentive adorable sleek ears love domestic charming face portrait white cute black animal background sweet endearing sob