IBISurvey:

Introduced Bird Interaction Survey

Photo: Ton Petrus

Eurasian blackcap

Sylvia atricapilla
Photo: Diogo Oliveira

Photo exhibition “Owls of Portugal”

Photo exhibition “Owls of Portugal”

After its presentation at the World Owl Conference 2017, the exhibition “Owls of Portugal”, by the photographers Artur Vaz Oliveira, Pedro Marques and Pierre Lemos