In each set of four creatures, one is the odd one out. Circle it.

1.
- tarantula
- black widow
- Dalmatian
- Sydney funnel-web

2.
- olive ridley
- leatherback
- rhea
- loggerhead sea turtle

3.
- viper
- blackbuck
- black mamba
- king cobra

4.
- German shepherd
- dachshund
- Chihuahua
- hammerhead

5.
- gentoo
- emperor
- marmoset
- adelie

6.
- sambar
- giant panda
- chital
- Kashmir stag

7.
- vulture
- eagle
- ostrich
- sparrow

8.
- penguin
- polar bear
- walrus
- peacock

9.
- jackal
- chameleon
- panda
- panther

10.
- blue whale
- shark
- octopus
- leopard

11.
- tiger
- leopard
- hyena
- jaguar

12.
- platypus
- dog
- horse
- cat