qT=1&tQ=Which of the following statements is true about poisonous birds?&tC=Only two species exist in the world.|Many species exist.|They are a myth.|They are ten times as poisonous as poison arrow frogs.&cC=1&fB=The only two known poisonous birds in the world are the Hooded Pitohui (a.k.a., the "garbage bird") and the Ifrita, from New Guinea.<br><br>The toxins are defensive chemicals known as batrachotoxins, and are concentrated in these birds' feathers and skin. 