Often used as working dogs, German Shepherds are direct and fearless, eager and alert. Bold, cheerful, obedient and eager to learn. Known for their tremendous loyalty and courage. Calmly confident, but not hostile. Serious and almost human in his intelligence. They have a high learning ability. German Shepherds love to be close to their families, but they are very wary of strangers. This breed needs his people and should not be left isolated for long periods of time. They only bark when it is necessary. German Shepherds have a very strong protective instinct, so they should be extensively socialized to prevent over-guarding when they are an adult.