This "underdog" of aquatic animals can filter up to 600 gallons of water per month. Working together, mussels can dramatically clean the rivers where they live. Now, Philadelphia is banking on just that.
No, coyotes won't eat your kids. No, coyotes won't lure your dog away to make a meal of it. No, coyotes will not stay away from your neighborhood if you remove the one you've seen. New coyotes will arrive to take its place. That’s totally coyote.
People who study birds are now using radar to make maps that can forecast migration at night. They say these maps could help by reducing the number of birds that collide with buildings and wind turbines.