These holes tend to be rather large (over 6 inches wide) and occur where pocket gophers and ground squirrels live. The photo on the left is a badger den. Note the volume of dirt excavated. The photo at the right is a badger left after hunting for food.
Cities in Spain. Discover the most beautiful Spanish cities and sites such as the Madrid, Barcelona, Granada's Alhambra or the Plaza Mayor in Salamanca.
At first glance, Spainâs biggest port city appears to have little to offer, but visitors who take the time to peer underneath Bilbaoâs industrial faÃ§ade will find much to explore. The cityâs standout attraction is the Guggenheim Bilbao Museum, one of architect Frank Gehryâs most spectacular achievements.