"If you want to be loved, be lovable." Ovid

Photograph: Ronaldo Schemidt/AFP/Getty

A couple of lovebirds at the El Nido aviary, in Ixtapaluca, near Mexico City. The aviary is the third largest in the world, with more than 320 species of birds and more than 3,000 specimens.
 Lovebirds are a social and affectionate species of small parrot.