Click here for a video of Donavan marching.

Proud Member of the Midwest Breeders Group

Riverland Farm, est. 1993

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Wendy and Marty Costello, owners of Riverland Farm and ES Donavan, strive to breed, and assist others to breed, quality warmblood horses for sport and for pleasure that embody Donavan's kind and affectionate temperament, his natural talent and striking beauty, and are suitable for the amateur and professional rider alike.

Donavan's long, successful dressage career has demonstrated that he represents the best of the Hanoverian breed, and consequently, the desirable characteristics shared by all warmblood breeds.

Please enjoy our website and come back often.

With Donavan, something wonderful is always happening!

Wendy & Marty Costello
Fax: (262)243-5065

Riverland Farm
13700 N. Riverland Rd.
Mequon, WI 53097

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Elite Hanoverian stallion Donavan turned 18 in March of 2003. He then embarked on his "Farewell (from Competition) Tour." After many years as a successful FEI competitor he has now curtailed his attendance at dressage competitions so he can stop to smell the flowers! This also allows him time for more exhibitions and breeding. Donavan's kind and affectionate, endearing and approachable temperament make him a wonderful ambassador for dressage and the Hanoverian breed.

Visit Jessica Jo Tate's homepage

Donavan is an Elite Hanoverian Stallion, imported from Germany as a two-year-old.
He is a handsome, 17.1 hand, mahogany bay with 3 white socks and a snip.

What is a Hanoverian?

Donavan is licensed and fully approved for breeding by:

Sire of Champions…

Drachen Herz, Dressage at Devon, 2001. 2003 provisionally licensed for breeding by ISR/Oldenburg NA. Doha Day, Donavan's 2003 daughter, Site Champion Filly, American Hanoverian Society. Dexter, winner of the 2001 HITS Adult Jumpers Winter Circuit Championship in Ocala, Florida, Feb. 2001 and other awards.
Click on the pedigree to see a more complete pedigree
DONAVAN and rider JJ Tate of Wyngate Dressage Center earned 5th place in the AHS/USDF All-Breeds Awards at I-2 for 2001 and in 2002 earned 3rd place in the country for Hanoverians at I-2 with a 61.436% median score (with one score over 70%). Like good wine, Donavan improves with age! We are so proud!

"... a nice, wonderful horse, and he and JJ are a match! Congratulations!"Gyula Dallos

"This horse is a treasure, not only is he talented, he is smart."—Charles de Kunffy

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This website was updated on 7-27-04.

Original design by Anna Goebel. New webmaster Annamaria Tadlock. If you experience any problems with this website, please contact: