Every summer about this time, gray tree frogs converge on Iowa ponds for mating and egg-laying, and with hundreds of frogs involved, the calling becomes a roar. They are commonly heard in forests from late spring to mid-summer, especially on quiet rainy days, but more frequently at night. Around these small breeding ponds, however, is probably the only time you'll hear them in super-concentrated numbers. The video doesn't do the overall noise level justice, because it is truly deafening. | Iowa

What's one of our favorite parts of summer? ☀🌿 The many sounds 👂🎶 Here's an example: After a recent storm, Irvine's Animal Care Manager, Mallory, heard at least 4 tree frogs calling to each other. She identified them by their short trill-like sound. Gray tree frogs prefer to mate in woodland ponds (without fish), swamps, man-made fountains, and water gardens in the spring and summer. They are primarily found in forested and rural residential areas and are well adapted to living in trees and s