Fig. 1From: Flying ticks: anciently evolved associations that constitute a risk of infectious disease spreadArtist interest in birds natural history. This piece by Ricardo Brey (http://www.ricardobrey.com) illustrates societal concerns about the risks associated with the possible role of birds in disseminating ectoparasites and infectious diseases. Form the series “Clados”. Mixed media on paper, 2009 (50 × 65 cm). Courtesy KGJ Collection, Spain. Photo: Isabel BreyBack to article page