Handout photo released on 09 August 2016 by Sendaviva nature reserve and amunsement park of a cub of an European otter (Lutra lutra) born last 07 May weighting 100 grams. This is the third specimen of the endangered species born in the park, placed in Arguedas, Navarra, northern Spain. The cub weighs 2,5 kilo now. (Photo by EPA/Sendaviva)
