qT=2&tQ=Which of these birds hunts by smell?&tC=The peregrine falcon|The kestrel|The kiwi|The smeller&cC=3&fB=New Zealand's kiwi is one of the only birds that hunts by smell. Before humans arrived in New Zealand in the 13th century, the island's only native mammals were three species of bats.<br><br>Birds like the kiwi evolved to fill the niche that mammals usually occupy by developing mammalian traits, including an excellent sense of smell!