Matching Pairs AnimalsOnline version Animals by Olivia Prieto Tomé 1 blue whale 2 hummingbird 3 Polar bear 4 praying mantis 5 giant clam 6 Elephant 7 Octopus it is biggest animal in the world it is my brother's favorite animal It is the tallest herbivour in the world it lays the largest number of eggs It is the biggest carnivour in the world It is the most intelligent invertebrate in the world it is the smallest bird in the world