That's Just Wild
Builders: Beaver Cities, Swiftlet Phlegm Hammocks, and Antlion Larvae Death Traps
Published: 7 April 2026 at 02:00 Europe/London
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Episode notes
This week on That’s Just Wild, Steve and Lizzie roll up their sleeves to share some of nature’s most ingenious architects 🏗️🐝
🦫 Could the world’s biggest beaver dam really dwarf the Hoover Dam? From booming “beaver cities” to their surprising comeback (and even “beaver bombing”), these furry engineers are reshaping landscapes. 🌿
🌾 Social weaver birds build giant tree-top apartment blocks packed with life — while swiftlets craft bizarre saliva “hammocks”… and antlion larvae set deadly sand traps like tiny snipers. 🎯
🐝 Giant Asian honey bees defend their homes with shimmering waves, and underwater, a pufferfish creates intricate sand masterpieces to build the perfect nest. 🌊✨
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