bird fancier

from The Century Dictionary.

• noun One who takes pleasure in rearing or collecting birds, especially such as are rare or curious.
• noun A dealer in the various kinds of birds which are kept in cages.

from the GNU version of the Collaborative International Dictionary of English.

• One who takes pleasure in rearing or collecting rare or curious birds.
• One who has for sale the various kinds of birds which are kept in cages.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

• noun a person with a strong interest in birds