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"Your website along (with your
MOST AMAZING, DROP DEAD
COCKATIELS I HAVE EVER SEEN)
is awesome!
I cannot believe there are actually
cockatiels out there that look like
this."
- Joey, Ontario Canada

"I am just in awe with the
wonderfully colored birds you
have... Just wanted you to know
how fantastic your birds are."
- Debbie, Indiana

"You have one of the best web site
and THE most beautiful Cockatiels
I have seen. "
- Adriana,  Dallas Texas

"Don, The birds are just absolutely
great!  The one pearl pied and the
normal felt like Turkeys when you
hold them!  They are very full in the
chest and solid birds!!"
-Linda, Laguna Hills CA
Meet the
BEST OF
2006!
Here are some of the Boys!
Castor, along with Pollux (not pictured)
and Achilles, are three unforgettable
brothers from Zeus and Hera.
The BEST pairing here!
from Greeson pair #129, and Aura's
daughter, 71-98- this boy has fathered
some of our favorites here!  Just look at
Keenan and you'll see why...
Another original Greeson boy!  Zeus has
the best pedigree in the aviary (his
brother 59-97 is also here, but not
pictured)  He IS a pair #129 boy!
Sparks is Balls' first son with a
gorgeous Whiteface Cinnamon Pearl
hen.  His hawky brow and impressive
head are all from his father!
Velcro has the Magic Triangle in his
pedigree based on Tory 1/2 & 1/2 (which
was built around Chicken George, a
Greeson Pair #16 cock)
Keenan is the only son of Moose &
Sadie, our original Feret birds with a
heavy Greeson influence.  He's long and
elegant with a refinement that we LOVE.
Apollo is one of our first 3 original
Greeson boys.  A linebreeding of pair
#129- His chicks are large, robust and
very impressive!  
Ares is Apollo's brother!  Thankfully,
there are two of these beautiful boys to
share the hens at TopTiels.  
Full Greeson genes and all!
Achilles is Castor & Pollux's brother.  
He's the largest of our Normal cocks
here with a HUGE head and a beautiful
disposition.  Zeus & Hera son.
Big Boy is from our Greeson pair of
Apollo & Leta.  His name says it all and
most of his siblings (not pictured) are
just as large as he is!
Rocky is from 55G-883-94's son (pair
#16 cock) and Moose's daughter.  He
has a great full crest and hawky brow set
onto a large frame & head.
Balls is definitely a showstopper!  
Breeder, Julia Allen paired an uncle of
the famed "Sunburst" with an original
Tory 1/2 and 1/2 for this boy.
PEDIGREE FOR CASTOR
PEDIGREE FOR ROCKY
PEDIGREE FOR BIG BOY
PEDIGREE FOR APOLLO
PEDIGREE FOR ARES
PEDIGREE FOR ACHILLES
PEDIGREE FOR KEENAN
PEDIGREE FOR VELCRO
PEDIGREE FOR SPARKS
PEDIGREE FOR ZEUS
PEDIGREE FOR MOOSE
PEDIGREE FOR BALLS
PEDIGREE FOR ANGUS
PEDIGREE FOR 112-98
PEDIGREE FOR STERLING
PEDIGREE FOR DIMPLES
A sublime pairing of Hogan and
Charmin, Angus' pedigree reads like the
"Who's Who" of the Cockatiel World!
Pair #16 and the mother of all Pair #54s.
Renowned for his size and stately brow,
112-98 is one of our newest and most
impressive cocks.  Zeus' nephew, he is
from a pair #129 cock & Jennings Hen
Sterling is Hera's Nephew!  He's here to
begin a new linebreeding program the
largest most impressive birds to ever
leave the famed Greeson Aviary!
A stately Jennings cock with a pedigree
to match!  Freddie's lineage melds with
Carter Atwood stock to give this senior an
impressive stature that all the hens love.
The son of Aura herself!  Made famous
in Philip Feret's aviary, Aura was a
Cockatiel to which all other Cockatiels
have been held to to determine quality.
40A-233-02
CC
PEDIGREE FOR 16P-24-97
All of our main cocks are here because of their pedigrees echoing back to the famed
Greeson line that we are so admiring of.  
Many of these birds proudly wear the band number 55G, while others are direct descendants of them
and have been bred by other collectors of this fantastic line of Cockatiels.  
Top Tiels currently hold the most Greeson banded birds of anyone in the United States!  
These birds, when used correctly, pile on the size and pass on the classic blocky heads that
Linda Greeson's birds have become known for.  
Their linebred offspring will continue this tradition and their F1 outcrossed progeny will be competition on show
benches all over the country!
More About Our Boys
A Word about Breeding
It is common practice at TopTiels to pair the pedigree of a cock to the visual attributes of a hen.
The genetics behind a fantastic hen do their best to ensure that she proudly wears all of her qualities visually.  The width of her
chest, the size of her head, her crest, her eyes and her length are all displayed right there in front of you to admire.  Hens express
their sex-linked genes visually and many of the genes that contribute to the overall appearance of a Cockatiel are sex-linked.
But cocks can be tricky.  
The genetic code that governs what their offspring will look like can stay locked safely away waiting patiently for a chance to
express themselves.  Oftentimes the cock's pedigree is used to make an educated guess as to the phenotype that this cock will
reproduce.  If his mother was an outstanding subject, then this cock may be nowhere near as impressive as some of his
progeny will be.  On the other hand, if his mother was “less than gorgeous”, his chicks have the same odds of inheriting this
negative attribute no matter how stunning this boy may be!  
It may help to think of this as we do breeding Lutinos.  Cocks can be split to Lutino, but hens either are or they aren’t.  If at all
possible, it is beneficial to see both parents of a male that is being considered for breeding purposes because chicks
resembling either parent may be produced instead of any resembling the original male.