Pelicans use their huge gular pouch to easily scoop up fish in water but consume only the fish. Learn more about them in this episode of BrainStuff, based on this article: https://animals.howstuffworks.com/birds/pelican-bill-vs-belly.htm

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Episode: https://omny.fm/shows/brainstuff/how-do-pelicans-work

Podcast: https://www.iheart.com/podcast/brainstuff-20922291/