Some animals have thinking abilities that used to be attributed exclusively to humans such as feeling insecure about their knowledge of a subject, according to the researchers. In the picture: A quote from Pushkin's poem "That's a good boy, Pushkin, son of a.."
- Categories: Environmental Issues
- Location: USA
- Event date: 16.09.2009
- Date published: 17.09.2009
- Credit: Sputnik
- Source: Sputnik
- Original: Computer graphics
- Media: JPEG, 2581x2346px, 638.2Kb