Opossum
The members of the Order Anura (Frogs) have the shortest spines (shortest spinal columns) (shortest vertebral columns) (shortest backbones)
The members of the Order Anura (Frogs) have the shortest spines (shortest spinal columns) (shortest vertebral columns) (shortest backbones)
Which animal has the shortest spine? Ciaran Quigley. The members of the Order Anura (Frogs) have the shortest spines (shortest spinal columns) (shortest vertebral columns) (shortest backbones)
Frogs have the shortest vertebral columns.
fish
No the Etruscan shrew is
It is believed that the animal with the shortest pregnancy is the bandicoot. They have a gestation period that only last 12 days.
The members of the Order Anura (Frogs) have the shortest spines (shortest spinal columns) (shortest vertebral columns) (shortest backbones)
The Sperm Whale (Physeter Macrocephalus) (Cachalot) is the animal with the largest skull in the world (both in general and aquatically).The African Bush Elephant (Loxodonta Africana) is the largest-skulled terrestrial animal in the world.The extinct aquatic animal with the largest skull would probably be either a Mosasaurus Hoffmannii or a Carcharodon Megaladon.The Titanoceratops Ouranos is the extinct terrestrial animal with the largest skull.The members of the Order Anura (Frogs) have the shortest spines (shortest spinal columns) (shortest vertebral columns) (shortest backbones).The animal that has the largest skull on the shortest spine (shortest spinal column) (shortest vertebral column) (shortest backbone) (relatively speaking) would probably be a Human (Homo Sapien) or a Neanderthal (Homo Neanderthalensis), both Neanderthals and Humans have relatively large skulls as they are well encephalized. they also have a relatively short vertebral column, the most flexible and shortest backbone among all primates.
Eastern Barred Bandicoots have the shortest pregnancy of any mammal-just twelve days.
The gastrotrich (a minute aquatic animal) lives the shortest - three days. [JRT: the question asks about a mammal, which the gastrotrich isn't.]