Access to this video is a benefit for TPT members
Learn MoreAnimals congregate in huge colonies partly out of necessity and partly for the security.
Some animal species congregate in huge groups. Icelandic puffins form colonies of more than a million, which provides shared information about food sources and reduces the odds of being attacked. Social spiders in Ecuador gather by the thousands to capture large prey. Leaf cutter ants in Costa Rica build enormous acre-wide cities to house multimillion-citizen colonies.
AIR DATE 4/21/15
Watch Your Shows Many Ways
|
Click over to tpt.org/shows to watch your favorite TPT productions and PBS shows, anytime and anywhere.
Not only will this site work on your laptop or desktop computer, you'll also feel right at home on any modern smartphone or tablet. Stream away...
© 2025 Twin Cities Public Television