Birds
Herps
Mammals
Fish
Inverts
100

This large raptor can reach speeds of 200mph during its characteristic high-speed dives

Peregrine falcon (Falco peregrinus )

100

Name a group of snakes with heat sensing pits

vipers, boas, pythons

100

This is the most trafficked animal

Pangolin

100

This group of jawless fish is known for its circular disk of teeth

Lampreys (Petromyzontiformes)

100

This group of flightless wasps (in females) contains the fabled "Cow Killer"

Velvet ants (Mutillidae)

200

This is the only bird in the world that has nostrils at the end of it's beak

Kiwi (Apterygiformes)

200

This species holds the record for largest free-roaming tortoise ever recorded

Aladabra tortoise (Geochelone gigantea)

200

Sometimes called the "American Antelope", this North American native is more closely related to giraffes and okapis

Pronghorn (Antilocarpa americana)

200

This fish has the longest known lifespan of any vertebrate species

Greenland Shark (Somniosus microcephalus)

200

This group of wasps creates a swelling growth on plants to protect its developing young

Gallwasps, gallflies (Cynipidae)

300

What is the only known bird that is able to fly backwards?

Hummingbird

300

This shady tactic used by rattlesnake hunters refers to spraying gasoline into crevices to force snakes out

Gassing

300

What are the smallest monkeys in the world?

Pygmy marmosets (Genus Cebuella)

300

This mudflat-dwelling goby species is able to breathe through its skin on land

Mudskippers

300

This soft-bodied invert belongs to a phylum all its own

Velvet worms (Onychophora)

400

Billions of these birds once inhabited Eastern North America, but not anymore

Passenger pigeon (Ectopistes migratorius)

400

What is the largest amphibian in the United States?

Hellbender (Cryptobranchus alleganiensis)

400

This group of small mammals has enormous eyeballs that can be the same size or larger than their brains

Tarsiers (Tarsiidae)

400

This less studied group of cartilaginous fishes has smooth skin and lives at extremely low depths

Chimaeras (Holocephali, Chimaeriformes), ghost sharks, rat fish, spookfish, rabbit fish

400

This tough North American beetle can survive being run over by a car due to its tough exoskeleton

Diabolical Ironclad Beetle (Phloeodes diabolicus) 

500

This became the first documented poisonous bird after curators experienced numbing while handling the skins

Hooded pitohui (Pitohui dichrous)

500

This herp is the only extant species of its order, and is known for its pronounced  "third eye" during early life stages

Tuatara (Rhynchocephalia, Sphenodontidae, Sphenodon punctatus)

500

This small, sometimes spiked mammal is more closely related to elephants than hedgehogs

Tenrecs (Tenrecidae)

500

This tiny parasitic fish from the Amazon is known by the locals to swim into bodily orifices

Candiru/Vampire Fish/Toothpick fish (Vandellia cirrhosa)

500

The bane of marine aquarists - this predatory marine worm can reach lengths over 9 ft and reproduce asexually by splitting into multiple segments

Bobbit worm (Eunice aphroditois), bristleworms (Polychaeta)