Figure 2 in In front of a mirror: visual displays may not be aggressive signals in nocturnal tree frogs

Figure 2. Self Image treatment applied to a male of Hypsiboas raniceps in the southeastern Pantanal, Corumbá, state of Mato Grosso do Sul, Brazil. The reflection of the animal in the mirror (14 × 8 cm), positioned at an angle of approximately 45° in relation to the male's body position, simulated the presence of an intruder male in the resident's territory.