Siberian chiffchaff to be a full species due to its distinctive plumage and vocalisations, being similar to "P. s. sindianus" in these respects. Common chiffchaffs (of the nominate race) and Siberian chiffchaffs do not recognize each other's songs. Pending resolution of the status of the form "fulvescens", which is found where the ranges of common chiffchaff (of the race "abietinus") and Siberian chiffchaff connect and may or may not be a hybrid between these, "tristis" is maintained in "P. collybita" by most checklists. Siberian chiffchaff Siberian chiffchaff ("Phylloscopus (collybita) tristis") is a leaf-warbler which is usually considered a subspecies of the common
The Conference of the Birds x 11,4 cm. The Conference of the Birds The Conference of the Birds or Speech of the Birds (, "Manṭiq-uṭ-Ṭayr", also known as "Maqāmāt-uṭ-Ṭuyūr"; 1177) is a celebrated literary masterpiece of Persian literature by poet Farid ud-Din Attar, commonly known as Attar of Nishapur. The title, which is in Arabic, is taken directly from the Qur’an, 27:16, where Sulayman (Solomon) and Dāwūd (David) are said to have been taught the language, or speech, of the birds ("manṭiq al-ṭayr"). In the poem, the birds of the world gather to decide who is to be their sovereign, as they have none. The