374K views · 4.7K reactions | A netizen from east China’s Guangdong province captured the scene of swallows building a nest: It piles up the mud and dry grass layer by layer, compacting the mixture with its beak. Many Chinese social media users are surprised that the bird even knows that adding “rebars” makes the nest firm. Surprisingly, it even vibrates when pouring concrete. #swallows #mud #grass #nest #birdwatching #WildChina (Video courtesy of Douyin dtdt45) | CGTN China24 | Facebook

7.8K views · 861 reactions | A guide to a well behaved parrot lol | Iago the Swinging Cockatoo | Facebook