The week's best photos
Britain Zoo Measurments
Elton, an eight-week old Spectacled Owl, (Pulsatrix perspicillata) is weighed under the watchful eye of his keeper Lucy Smith, at London Zoo, Wednesday, Aug. 22, 2012. Zookeepers are grabbing their scales and reaching for the tape measures, as they prepare to monitor every animal at ZSL London Zoo’s annual weigh-in. (AP Photo/Alastair Grant)