Rodents

The Common gundi grows to a length of between 16 to 20 cm (6.3 to 7.9 in), having a stumpy tail of 10 to 20 mm (0.4 to 0.8 in). A gundi weighs about 185 g (6.5 oz).

​Lifespan of these animals can be 5 years.

The Northern three-toed jerboa has a head-and-body length of 100 to 155 mm (4 to 6 in) and a tail of 145 to 190 mm (5.7 to 7.5 in).

The weight is between 56 and 117 g (2 and 4 oz).

Life expectancy in captivity is up to 4 years.

The Red squirrel has a typical head-and-body length of 19 to 23 cm (7.5 to 9 in), a tail length of 15 to 20 cm (6 to 8 in), and a mass of 250 to 340 g (8.8 to 12.0 oz).

The body length is less than 24 cm, the length of the back foot is less than 3.5 cm. Life expectancy is up to 4 years.

Body length 18.7 - 26 cm, tail 25 - 30.5 cm. Body weight over 300 g. Life expectancy up to 3 years.

Typical individuals are 8 to 10 cm (3 to 4 in) long and weigh 30 to 35 grams (1.1 to 1.2 oz). Queens are larger and may weigh well over 50 grams (1.8 oz), the largest reaching 80 grams (2.8 oz).

Naked mole-rats may have a life span of 10-30 years.

It is 18–25 cm long, a third of which is the tail, tail 7-12 cm; weight 80-111 g. Life expectancy in captivity up to 10 years.

Body length 23-38 cm. Weight of adult animals after hibernation: males 700-900 g, females 600-800 g. Life expectancy is more than 3 years.

On average, the head to body length of females is 191.8 mm. The average tail length in females is 172.8 mm. For males, the average head to body length is 190.1 mm, and average tail length is 173.4 mm. The average mass of adults (in both sexes) is 278.0 g.

In captivity, they are known to survive a maximum of 12.8 years.

Head-body length – 11 cm, tail length – 11 cm.

Life expectancy in captivity is 6-8 years.