Fig. 2From: Vocal behavior of Crested Guineafowl (Guttera edouardi) based on visual and sound playback surveys in the Umhlanga Lagoon Nature Reserve, KwaZulu-Natal province, South AfricaVariation of the alarm calls of Crested Guineafowl: a = the usual cluck; b = the syllable with an element (□) attached to the front and; c = alarm syllables interspersed with loose-standing tonal syllables (□)Back to article page