保护动物，人人有责。
Animal protection, everyone's responsibility.
关爱生灵，保护鸟类。
Care for life, protect birds.
同在蓝天下，人鸟共家园。
Under the same blue sky, humans and birds share the same home.
保护野生动物是人类更好的选择!
Protecting wildlife is a better choice for humanity!
动物是我们的朋友，请保护它们。
Animals are our friends, please protect them.
不要购买野生动物制品，否则，你就是间接屠杀者。
Don't buy wildlife products, or you're an indirect slaughter.
鸟是害虫的天敌，鸟是人类的朋友。
Birds are the natural enemies of insects and birds are the friends of human beings.
保护动物就是保护我们的同类。
Protecting animals is protecting our own kind.
这些标语简洁明了，适合三年级学生理解和记忆，同时也传达了保护动物的重要性。