狗，作为高度社会化的动物，其祖先曾是群居生活的捕猎者。它们之间的交流至关重要，涉及到共同狩猎、抚养幼崽以及在群体中的协作。在观察多只狗互动时，我们常见到其展现出的群体行为。狗通常通过身体语言进行交流，用身体表达情绪和行为，同时也用身体来传达心态和立场。与人类沟通一样，狗也能相互理解彼此的情感。

学习解读这些信息对每位狗主人来说至关重要，因为这样可以帮助我们根据狗的感受调整训练方法。不仅如此，这种语言还用于解决冲突，并包含了能够阻止争斗的宁静信号。一旦我们掌握了如何理解他们的沟通方式，以及他们如何解读我们的口头和无声身体语言，就能够更有效地与幼犬交流。

五个主要部位——尾巴、耳朵、嘴巴、牙齿和双眼—are the primary tools dogs use to communicate. The position of their fur, posture (standing, sitting or lying down), are also crucial.

For example, a tucked tail indicates fear and anxiety; a stiff tail signals alertness, anger or annoyance; a relaxed tail hangs naturally; and a wagging tail betrays excitement. Similarly, ears held back suggest unease or compromise; upright ears signal alertness and excitement; forward-leaning ears indicate happiness; while floppy ears convey relaxation.

Visual aids can greatly enhance our understanding of canine communication. For instance, consider the following image [2] that illustrates various dog behaviors.

Many behavioral issues arise from normal puppy behavior such as chewing and barking. Although we may think we're communicating effectively with our pets in plain language, in reality we often fail to express ourselves in terms they understand. It's like trying to learn an alien language for them.

Dogs are like humans - some become friends quickly while others never quite get along due to conflicting personalities - some are lively while others are calm or quiet. Therefore it's essential to understand what information dogs want to convey before attempting to comprehend their nature further.

References:

[1] https://www.sfspca.org/sites/default/files/dog_body-language.pdf

[2] https://www.petbacker.com/blog/how-to/tips-on-how-to-make-two-dogs-become-friends