Animals

Larger specimens can be occasionally found, up to 2,5m (8ft 4 in). Bull snakes average weight is 1 to 1,5 kg (2,2 to 3,3 lb.). Heaviest specimen recorded was 4,5 kg (9,9 lb.).

They also eat aquatic insects, frogs, and crayfish. They catch their prey by flying low over the water, at a speed of up to 190 km/h.

There are between 900.000 and 1,2 million during the breeding season. The mallard is probably the most numerous duck species.

It is amber, with an irregular black and dark-brown pattern. It is unique because of its overlapping scutes—five central, and four lateral.

It was donated to the museum by its employee, Marjorie Courtenay-Latimer, whose aunt received the eg ...

Females measure from 105 to 171 mm, while males measure from 106 to 154 mm.

A female gives birth to three to four cubs after an average of 104-106 days of gestation.

Cannibalism is widely observed shortly after hatching since larvae are voracious and require frequent feeding. In addition, axolotls kept in groups can bite each other's limbs and tail fins.