The Hoopoe is 25–29cm long, with a 44–48cm wingspan. This black, white and pink bird is quite unmistakable, especially in its erratic flight, which is like that of a giant butterfly. The crest is erectile, but is mostly kept closed. It walks on the ground like a starling.The song is a trisyllabic "oop-oop-oop", which gives rise to its English and scientific names. Dirty, treif, but fit for a king, the hoopoe's our nat'l bird May. 29, 2008ADAM KREDO & GREER FAY CASHMAN , THE JERUSALEM POST Our newly crowned national bird, the hoopoe, may not be kosher or particularly hygienic, but it is fit for a king. Hailed on Thursday by the Society for the Protection of Nature in Israel as the ideal choice for the honor, the hoopoe, known in Hebrew as duchifat, holds an ambiguous position in Hebrew scriptures. Due to its association with King Solomon, the bird is…