Animals

Dogs
A Boy, A Girl And A Dog (1945)
The Return of Rin Tin Tin (1947)
A Dog of Flanders (1960)
Sounder (1972, 2003)
Far from Home: The Adventures of Yellow Dog (1995) -
Shiloh About a beagle (1996) PG 
Shiloh 2: Shiloh Season Beagle again (1999)  PG 
A Dog of Flanders (1999)
The Duke (1999)
My Dog Skip (2000) (Dog-Jack Russell) (Frankie Muniz)
Chestnut: Hero Of Central Park (2004) 
The Adventures of Greyfriars Bobby (2005)
Because of Winn-Dixie (2005)
Marley and Me (2008)
Hachi: A Dog's Tale (2009)
Hotel for Dogs (2009)

http://westminsterkc.tripod.com/video.htm

Lassie
Lassie Come Home 1943
Son of Lassie 1945
Courage of Lassie 1946
Hills of Home 1948
The Sun Comes Up 1949
Challenge to Lassie 1950
The Painted Hills 1951
Lassie's Great Adventure 1963
The Magic of Lassie 1978
Lassie 1994
Lassie 2005

AIR BUD SERIES

Air Bud (1997) (Basketball)

Air Bud: Golden Receiver (1998) (American Football)

Air Bud: World Pup (2000) (Soccer)

Air Bud: Seventh Inning Fetch (2002) (Baseball)

Air Bud: Spikes Back (2003) (Beach Volleyball)

Air Bud: Doggie Style (2009) (Wrestling)

Air Buddies (2006) (Adventure/Family)

Snow Buddies (2008) (Sled dog racing/Alaskan Wilderness/Family)

Space Buddies (2009) (Space Exploration/Family)

Santa Buddies (2009) (Christmas/Family)

The Search for Santa Paws (2010) (Christmas/Family)

Treasure Buddies (2011) (Upcoming; Adventure/Family)[citation needed]

Spooky Buddies (2011) (Upcoming; Halloween/Family)

The Benji Series

Benji (1974)

For the Love of Benji (1977)

Benji's Very Own Christmas Story (1978)

Benji the Hunted (1987)

Benji: Off the Leash! (2004)

Benji Takes a Dive at Marineland (1981)

Benji at Work (1980)

Non-Benji Series

Oh! Heavenly Dog (1980)

Television series Benji, Zax & the Alien Prince (1983)

 

Documentary: Phenomenon of Benji (1989)

Beethoven Series
Beethoven 1992
Beethoven's 2nd   1993
Beethoven's 3rd 1992

Beethoven: animated television series loosely based on the 1992 movie (1994 – 1995)

Beethoven's 4th 2001.
Beethoven's 5th 2003
Beethoven's Big Break 2008

Dolphins

Flipper
o Flipper (1963), directed by James B. Clark
o Flipper's New Adventure, 1964  directed by Leon Benson
o Flipper (1964 TV series), which originally ran from 1964-1967
o Flipper (1995 TV series), including Jessica Alba
o Flipper (1996)

Horses
My Friend Flicka (1943)
Thunderhead: Son of Flicka 1945
The Green Grass of Wyoming(1943)
National Velvet (1944)  (Elizabeth Taylor)
Green Grass of Wyoming 1948
The Story of Seabiscuit (1949)
The Red Pony (1949) (Peter Miles)
White Mane 1953
Misty (1961)
Seabiscuit (2003)
Flicka 2006

Black Beauty
Black Beauty (1921/II) at the Internet Movie Database
Black Beauty (1946)
Black Beauty (1971)  (Mark Lester)

The Black Stallion
The Black Stallion (1979)   (Mickey Rooney)
The Black Stallion Returns 1983
Adventures of the Black Stallion television series 1990 to 1993 Richard Ian Cox and Mickey Rooney.
Young Black Stallion 2003  45-minute prequel IMAX

Lions

Born Free
Born Free 1966
Living Free (1972)
To Walk With Lions (1999)

The Lions are Free (1969)

Other ANIMALS
The Yearling (1946) (Deer) (Gregory Peck)
The Brave One (1956)
Namu: My Best Friend : Namu, the Killer Whale (1966)
Brighty of the Grand Canyon (1967)
Where the Red Fern Grows (1974, 2003)
The Adventures of Milo and Otis - (1989) (Cat and Dog) (Nar. Dudley Moore)
Monkey Trouble (1994)
Fly Away Home (1996)
Zeus and Roxanne (1997) (Dog, Dolphin) (Steve Guttenberg)
Dunston Checks In (1996) (Monkey)
Fly Away Home (1996)
Buddy (1997) (Monkey)
The Crocodile Hunter: Collision Course (2002) PG
Two Brothers (2004) (Tigers)
Duma (2005)

http://www.monkeyconspiracy.com/thelist.htm#Movies_D

Free Willy Series
Free Willy 1993
Free Willy 2: The Adventure Home 1995
Free Willy 3: The Rescue 1997
Free Willy: Escape from Pirate's Cove, (2010) reboot of the original series and is in no way connected.

Most Valuable Primate Series
MVP: Most Valuable Primate (2000)
MVP 2: Most Vertical Primate (2002)
MXP: Most Xtreme Primate (2003)
Spymate (2006)

Disney
Old Yeller (1957) Tommy Kirk
Nikki, Wild Dog of the North 1961
Greyfriars Bobby 1961
Big Red 1962
The Legend of Lobo November 1962

Sammy the Way Out Seal (1962) (Billy Mummy)
Miracle of the White Stallions 1963
Savage Sam 1963
Little Dog Lost (1963)
The Incredible Journey (1963) (Cat and 2 Dogs)
A Tiger Walks 1964
Charlie, the Lonesome Cougar 1967
The Boy Who Flew with Condors (1967)
Ata Girl Kelly (1967)
The Horse in the Gray Flannel Suit 1968
Rascal 1969

King of the Grizzlies 1970
The Biscuit Eater 1972
Napoleon and Samantha (1972) (Lion) 
The Bears and I 1974
Ride a Wild Pony 1976
The Littlest Horse Thieves 1977

Cheetah (1989)
White Fang 1991
White Fang 2: Myth of the White Wolf 1994
Iron Will January 1994
Homeward Bound: The Incredible Journey 1993
Homeward Bound II: Lost in San Francisco 1996
Whispers: An Elephant's Tale 2000
Eight Below 2006