Number of Known Species in the World

Category Total Species Totals Vertebrate Animals Mammals 5,490 Birds 9,998 Reptiles 9,084 Amphibians 6,433 Fishes 31,300 Total Vertebrates 62,305 Invertebrate Animals Insects 1,000,000 Spiders and scorpions 102,248 Molluscs 85,000 Crustaceans …

Dog Breed Statistics

Most Popular Dog Breeds Number of Registered Dogs Labrador Retriever 60,931 Chihuahua 42,244 German Shepherd 27,712 Shih Tzu 23,883 Golden Retriever 22,828 American Pit Bull Terrier 22,675 Dachshund 22,430 Yorkshire …