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
Bird on a Wire (Tim Hardin album) the US. The sessions included Joe Zawinul, Alphonse Mouzon, and Tony Levin, the core of the rhythm section of the band Weather Report. "Bird on a Wire" was re-issued on CD by Sony in 1989 and Sony Japan in 2005. In his review for Allmusic, music critic Bruce Eder wrote "The singing is exquisite, poignant, and powerful and the production is as tasteful and eloquent as any in Hardin's output. This might not be the place to start listening to Tim Hardin (though there are worse places for that as well) in terms of finding out what he was about,