These are the only ones I know:

Muskwa--October 20, 1997
Earle & Hoodoo(RB)--June 19, 1999
Bandit--December 23, 1996
Kayleigh--October 21, 1998
Delta & Antare--October 31, 2001
Mac & Ozzy---June 30, 2003

The rest of them we celebrate their adoption days.