Explaining The Universe on Instagram: "Follow  @ExplainingTheUniverse to learn something NEW every day 易 Birds make sounds to communicate with each other. They use songs to attract mates and defend their territory, while calls are often used to warn of danger, keep flocks together, or help parents and chicks stay in touch. These sounds are their main way of sharing information and surviving in the wild. • #explore #reels #viral #universe #space #explaining #birds #science"