Common Birds: Black and White or Gray and White Birds. Dark-eyed Junco: 5 1/2 to 6 3/4  in size. Juncos are small, dark gray birds with white bellies. Juncos look different in different regions of the United States. In the East, Juncos are dark gray with white underparts and white outer tail feathers.
The European Spallation Source (ESS) is a multi-disciplinary research facility based on what will be the world's most powerful neutron source. It is currently under construction in Lund, Sweden. At least 17 European countries will act as partners in the construction and operation of ESS.
(Redirected from Passenger Service System) A passenger service system (PSS) is a series of critical systems used by airlines. The PSS usually comprises an airline reservations system, an airline inventory system and a departure control system (DCS). Generally the PSS is made up of modules that are used to manage different parts of the airlineâs business.