I Know Nothing about Seagulls (No sé nada de gaviotas) is a documentary about the situation of the yellow-legged gull (Larus michahellis) and its connection with the city of Barcelona. At a small scale, the population of yellow-legged gulls is already causing havoc among humans and the urban surroundings. Which are the consequences for the ecosystem and the shared space where humans and seagulls cohabit? I Know Nothing about Seagulls also inquires into the limits between the longer film and the humble scientific short in search of a new model for documentaries.