Possible Clues:

• Prefix related to birds
• Online profile pic, for short
• MP4 alternative
• Multimedia file format whose first two letters refer to media formats
• Prefix with fauna or culture
• Pen name of the children's author Edward Irving Wortis
• MPEG or .mov alternative
• Mononymous author of 'Nothing but the Truth'
• Multimedia file extension
• Lead-in to fauna