Black Russian Terrier

Black Russian Terrier - a powerful, well-built black dog with a thick, wavy coat. Calm and balanced, prone to training, 
distrustful of strangers, an excellent watchman, resistant to unfavorable weather conditions. It requires calm, 
consistent driving. Despite his strong character, he is not prone to dominance and does not try to use his advantage 
over the owner. It gets along well with children, but due to its size, they should not be left unattended together.