Cicadas are the song of summer across the United States, Chicago included. Even just two miles from downtown the droning of cicadas in trees can be downright overwhelming in July and August afternoons. But cicadas are so small: how do they make such a powerful sound?
Turtles: they’re not renowned for their speed. Sure, the turtle** wins in The Tortoise and the Hare, but just to serve as a humiliating example of arrogance.
Like all insects, this caterpillar has only 6 legs.
If you’ve spent a year in the United States, then you’ve heard the honks and seen the distinctive v-shaped flying pattern of Canada geese. But geese aren’t the only birds to fly in an orderly pattern: pelicans and ibises adopt the same v-shape when flying in flocks. What do these birds have in common, and what benefit do they gain from flying in a “v” shape?
Tree knots are also known as “burls”. Burls form on the outside of trees as a reaction to stress. Trees don’t have strict parents or follow politics, so what stress could trees possibly have?
Butterflies are active during the day, so at night they find a hiding place and go to sleep. In the same way, moths are active at night and during the day moths hide and rest.
Angel Wing is a condition that affects mostly waterfowl, caused by a nutritional deficiency in vitamins and minerals combined with a high level of carbohydrates and sugars. While a number of factors are involved, human-fed bread is one of the probable causes.
Even though it’s been a pretty mild winter, we have had some snow and cold weather. It’s been months since I’ve seen a butterfly outside.
The simple answer is, baby squirrels don’t leave the nest until they are fully furred and can survive on their own so, without seeing the mother right next to the babies, they all look about the same size.