[["Dog","Puppy"],["Cat","Kitten"],["Cow","Calf"],["Sheep","Lamb"],["Horse","Foal"],["Goat","Kid"],["Deer","Fawn"],["Frog","Tadpole"],["Butterfly","Caterpillar"],["Chicken","Chick"],["Duck","Duckling"],["Pig","Piglet"],["Elephant","Calf"],["Kangaroo","Joey"],["Swan","Cygnet"],["Owl","Owlet"],["Goose","Gosling"],["Whale","Calf"]]