World in Motion 🕹️ on Instagram: "The true size of a pelican’s mouth becomes even more impressive when the bird yawns or fully opens its beak. The large and highly flexible beak, especially the lower part called the gular pouch, can expand in an extraordinary way, revealing how sophisticated this feeding tool really is. When fully open, the pouch can hold several liters of water or even large fish, making it easier to catch prey while fishing. At that moment, the thin skin can become almost tra

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