Baby Armadillo
Blue-crowned Parrot
Baby Hedgehog
Speckled padloper

The world's smallest species of tortoise. The males of H. signatus measure 6–8 cm (2.4–3.1 in) in straight carapace length, while the larger females measure up to almost 10 cm (3.9 in) and weight is about 95–165 g (3.4–5.8 oz).

Paedophryne amauensis

Paedophryne amauensis is a species of frogs from Papua New Guinea discovered in August 2009 and formally described in January 2012. At 7.7 mm (0.30 in) in length, it is considered the world's smallest known vertebrate.

Bumblebee bat

Bumblebee bat is about 29 to 33 mm (1.1 to 1.3 in) in length and 2 g (0.071 oz) in mass.

Baby Turtle
Bee hummingbird

The bee hummingbird is the smallest living bird.[2] Females weigh 2.6 g (0.092 oz) and are 6.1 cm (2.4 in) long, and are slightly larger than males, with an average weight of 1.95 g (0.069 oz) and length of 5.5 cm (2.2 in).

American Pika
Baby Owl