Frill-neck lizard (Chlamydosaurus kingii) when threatened they chase you by frilling their neck them run after you on two legs while hissing. Yeah...i heard they are poisonous too but I'm not sure.
Photograph by Anders Zimny, A frilled lizard in its defense posture during a 2010 field trip to Cape York, Australia
Crested Caracara III by secondclaw on DeviantArt
Squirrel Cuckoo (Piaya cayana) Beautiful bird
Cuckoos and Anis
Squirrel Cuckoo (Piaya cayana)
Foto alma-de-gato (Piaya cayana) por Sergio Costa | Wiki Aves - A Enciclopédia das Aves do Brasil