dogs play with each other. labrador retriever

activity aggressive angry attack barking behavior bite black brown canine care cheerful corgi cur cynology dog doggie doggy dogs domestic each education energetic enjoying friend fuss game gold green growth health hear hit intensive labrador looking merry mongrel obedient other outdoor outside park pembroke pet pink play playful portraitcloseup puppies retriever running sitting spring summer teeth thirst tongue toy training veterinarian walk whiskers young