Kleinmann's tortoise

Appearance

Kleinmann's tortoise is the smallest tortoise in the Northern Hemisphere. Female tortoises are larger than the males; males are more slender and have a longer tail.

The plastron has a high dome, and ranges in color from ivory to pale gold to dark brown to pink or dull yellow. This colouring strongly follows Gloger's rule, as it helps to regulate the impact of sunlight. This allows the paler tortoise to stay in the desert heat for longer. It is also an effective camouflage in the desert. The carapace is light yellow, often with two dark triangles on each abdominal scute. The tortoise's scutes have dark edgings that fade with age.

The head and limbs are a very pale ivory-yellow to yellowish-brown colour.

Naming

The specific name, ''kleinmanni'', is in honor of Edouard Kleinmann, a French stockbroker who collected the holotype in 1875.

Status

Once found in Egypt and Libya, the habitat of ''T. kleinmanni'' in Egypt has been all but destroyed, and the Egyptian tortoise is close to complete extinction there. Two populations can still be found in Libya, but much of the coastline habitat has been destroyed because of human activity. Habitat loss and the illegal pet trade are huge issues facing the species; it is also hunted locally for use in folk medicine. The population is still on the decline, and the risk of extinction in the wild is very real if habitat degradation and illegal trade continue at their present rate.

On the IUCN Redlist, Kleinmann's tortoise is classified as CR A2abcd+3d. Less than three ''Testudo'' generations ago, an estimated 55-56,000 adult Kleinmann's tortoises existed. Today, about 7,500 remain, and decline due to habitat destruction and unsustainable exploitation appears to be ongoing. While the former threat is believed to be alleviated, illegal pet trade is feared to have reduced the population to maybe 1,000 adult tortoises in the two or three remaining subpopulations. Given that ''T. kleinmanni'' is a slow-maturing, long-lived species with few offspring , This is well possibly less than the minimum viable population, eventually dooming the species to extinction in the wild.

Mixing individuals from the subpopulations for reintroduction purposes should be avoided, as the ecological parameters of habitat differ. DNA fingerprinting of individuals to help maintain heterozygosity in captive and reintroduction populations can be performed during routine stool analyses. In this context, notably, there may be a haplotype uniquely found in the Egyptian tortoise.

Captive breeding requires more care than in other ''Testudo'' species, as the species is more delicate and the clutch is very small, but is not highly difficult for experienced ''Testudo'' breeders. ''T. kleinmanni'' is not generally available for hobbyists and even if legal to keep, should be avoided without valid documentation. Smuggling continues to be a problem, but confiscated individuals are used to establish a captive safeguard population.

On May 21, 2007, Rome's main zoo, Bioparco, reported it has successfully bred the species from parents rescued from a smuggler's suitcase in 2005. It is also kept and bred at several other zoos in Europe and North America.

Habitat

Kleinmann's tortoise lives in deserts and semiarid habitats, usually with compact sand and gravel plains, scattered rocks, shallow, sandy wadis, dry woodlands, shrubby areas, and coastal salt marsh habitats. In captivity, it eats grasses, fruits, and vegetables, but the diet of ''T. kleinmanni'' in the wild is unknown.

It is least active when the weather is very cold or very hot. During the colder months, it is out most during midday. During the warm season, it is active in the mornings and evenings. The rest of the day is spent under bushes or in rodent burrows.

Reproduction

Kleinmann's tortoise becomes sexually mature when about 5 years old. In the wild, mating has only been observed in March, but in captivity, it mates in April and August to November. During courtship, the male will ram the female, sometimes chasing after her. Unlike any other Mediterranean tortoise, ''T. kleinmanni'' may make a mating call similar to the call of the mourning dove. Eggs are laid in shallow bowls beneath bushes, or in vacant burrows. Each clutch contains one to five eggs, which hatch in the summer or early autumn.