All are very stunning birds.
Chinese grey, Qinghai, CN:
http://birding-benstead.blogspot.com/2012/11/postcard-from-qinghai.html
great grey, Thursley Common, Surrey, UK:
http://billsbirding.blogspot.com/2012/11/shriking-it-lucky.html
northern, Portland, OR, USA:
http://johnrakestraw.net/2012/11/04/fernhill-wetlands-11112/
black-faced cuckoo-, Gloucester, NSW, AU:
http://peonyden.blogspot.com/2012/10/quick-trip-to-gloucester.html
grey backed, Manas National Park, Assam, IN:
http://nature-stop.blogspot.com/2012/05/manas-wildlife-sanctuary-assam_15.html
http://nature-stop.blogspot.com/2012/05/manas-wildlife-sanctuary-assam.html
loggerhead, Oxnard Plain, CA, USA:
http://seagullsteve.blogspot.com/2012/09/some-terns-drink-at-carpal-bars.html