Here is a list of common abbreviations:
AKEET - American Parakeet
B&G - Blue and Gold Macaw
BC - Blue Crown Conure
BE2 - Bare Eyed Cockatoo
BFA - Blue Front Amazon
BP2 - Black Palm Cockatoo
BSL - Blue Streak Lory
C2 - Citron Cockatoo
CAG - Congo African Grey
CM - Catalina Macaw
D2 - Ducorps Cockatoo
DYH - Double Yellow Head Amazon
E2 - Eleanora Cockatoo
EKEET- English Parakeet
Ekkie - Eclectus
FIDS - Feathered Kids
FRATS - Feathered Brats
G2 - Goffins Cockatoo
GC - Green Cheeked Conure
GCC - Gold Capped Conure
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GCP - Grey Cheeked Parakeet
GE - Grand Eclectus
GSC - Greater Sulphur Crested Cockatoo
(same as medium, just larger)
GW - Green Wing Macaw
HM - Hahns Macaw
HMC - Half Moon Conure
HYM - Hyacinth Macaw
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Keet - Parakeet
LCA - Lilac Crowned Amazon
LSC - Lessor Sulphur Crested Cockatoo
(same as medium, but smaller)
Linnie - Lineolaeted parakeet
M2 - Moluccan Cockatoo
MBC - Maroon Belled Conure
MGM - Miligold Macaw
MM - Military Macaw
MM2 - Major Mitchell (Leadbeater) Cockatoo
MRHA - Mexican Red Head Amazon
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MSC - Medium Sulphur Crested Cockatoo
(same as lesser, larger)
OWA - Orange Winged Amazon
PC - Painted Conure
RB2 - Rose Breasted Cockatoo
RLA - Red Lored Amazon
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RM - Ruby Macaw
RSE - Red Sided Eclectus
RV2 - Red Vented Cockatoo
SIE - Soloman Island Eclectus
SM - Scarlet Macaw
T2 - Triton Cockatoo
TAG - Timneh African Grey
Tiel - Cockatiel
Too - Cockatoo
(many types)
Please note this isn't every single abbreviation as some people come up with their owns words to name species, but thats most of the common ones.
Credit goes Here to OP
AKEET - American Parakeet
B&G - Blue and Gold Macaw
BC - Blue Crown Conure
BE2 - Bare Eyed Cockatoo
BFA - Blue Front Amazon
BP2 - Black Palm Cockatoo
BSL - Blue Streak Lory
C2 - Citron Cockatoo
CAG - Congo African Grey
CM - Catalina Macaw
D2 - Ducorps Cockatoo
DYH - Double Yellow Head Amazon
E2 - Eleanora Cockatoo
EKEET- English Parakeet
Ekkie - Eclectus
FIDS - Feathered Kids
FRATS - Feathered Brats
G2 - Goffins Cockatoo
GC - Green Cheeked Conure
GCC - Gold Capped Conure
GCP - Grey Cheeked Parakeet
GE - Grand Eclectus
GSC - Greater Sulphur Crested Cockatoo
(same as medium, just larger)
GW - Green Wing Macaw
HM - Hahns Macaw
HMC - Half Moon Conure
HYM - Hyacinth Macaw
Keet - Parakeet
LCA - Lilac Crowned Amazon
LSC - Lessor Sulphur Crested Cockatoo
(same as medium, but smaller)
Linnie - Lineolaeted parakeet
M2 - Moluccan Cockatoo
MBC - Maroon Belled Conure
MGM - Miligold Macaw
MM - Military Macaw
MM2 - Major Mitchell (Leadbeater) Cockatoo
MRHA - Mexican Red Head Amazon
MSC - Medium Sulphur Crested Cockatoo
(same as lesser, larger)
OWA - Orange Winged Amazon
PC - Painted Conure
RB2 - Rose Breasted Cockatoo
RLA - Red Lored Amazon
RM - Ruby Macaw
RSE - Red Sided Eclectus
RV2 - Red Vented Cockatoo
SIE - Soloman Island Eclectus
SM - Scarlet Macaw
T2 - Triton Cockatoo
TAG - Timneh African Grey
Tiel - Cockatiel
Too - Cockatoo
(many types)
Please note this isn't every single abbreviation as some people come up with their owns words to name species, but thats most of the common ones.
Credit goes Here to OP