British Overseas Territories is the only overseas territory that is part of the European Union (EU), although it is not part of the European Customs Union, the European Tax Policy, the European Statistics Zone or the Common Agriculture Policy. Gibraltar is not a member of the European Union in its own right. The Sovereign Base Areas in Cyprus are not part of the European Union, but they are the only British overseas territory to use the euro as official currency. None of the other Overseas Territories are members of the EU, the main body of EU law does not apply and, although certain
Chukar partridge and sixth primaries. It is very similar to the rock partridge ("Alectoris graeca") with which it has been lumped in the past but is browner on the back and has a yellowish tinge to the foreneck. The sharply defined gorget distinguishes this species from the red-legged partridge which has the black collar breaking into dark streaks near the breast. Their song is a noisy "chuck-chuck-chukar-chukar" from which the name is derived. The Barbary partridge ("Alectoris barbara") has a reddish-brown rather than black collar with a grey throat and face with a chestnut crown. Other common names of this bird include