Eurasian blue tit host is "Proctophyllodes stylifer". However, this mite seems to be of no concern to the bird as, until now, it is only known to feed on dead feather tissue. "P. stylifer" lives all its developmental stages, i.e. egg, larva, protonymph, tritonymph and adult, within the plumage of the same host. The usual sites where "P. stylifer" is encountered are the remiges and the rectrices of the bird where they can be found tandemly positioned between the barbs of the rachis. The Eurasian blue tit is classified as a least concern species on the IUCN Red List (version 3.1), and as
What a Terrible World, What a Beautiful World of "Make You Better", stating "The band has never lacked the musical bona fides to write a great anthem." The album debuted at No. 7 on the "Billboard" 200 albums chart on its release, selling around 50,000 copies in the United States in its first week. It also debuted at No. 2 on "Billboard"'s Top Rock Albums, and No. 1 on the Folk Albums chart. The album has sold 123,000 copies in the United States as of October 2015. All songs written by Colin Meloy. According to the liner notes of "What a Terrible World, What a Beautiful World". What