It is narrated from Sayyiduna Abdullah bin Mughaffal Muzani, may Allah be pleased with him, that the Prophet, peace and blessings be upon him, said: You may pray among the flocks of sheep, but you may not pray in the enclosures of camels, because their creation is from Satan (there is a satanic nature in them).
Hadith Referenceمسند احمد / مسند المدنيين رضي الله عنهم اجمعين / 16799
Hadith Gradingحکم دارالسلام:حديث صحيح، المبارك بن فضالة يدلس، لكنه صحيح الرواية عن الحسن البصري