Systematics, distribution and ecological analysis of rodents in Jordan
Author
Amr, Zuhair S.
Author
Abu, Mohammad A.
Author
Qumsiyeh, Mazin
Author
Eid, Ehab
text
Zootaxa
2018
2018-03-19
4397
1
1
94
journal article
30483
10.11646/zootaxa.4397.1.1
b44266be-2443-4676-abd8-015e1e069156
1175-5326
1202783
DAB14765-7C9C-41FF-9ECF-563B82B9D258
Nannospalax ehrenbergi
(Nehring, 1898)
Common name:
Palestine mole rat, the Middle East blind mole rat.
Diagnosis
: This is a typical fossorial rodent with cylindrical shape and indistinct neck. Fur is short, soft and nondirectional, color of fur black to dark brown (
Figure 86
). The flat and broad snout is shovel-like in shape, with a large naked nose pad. Eyes, ears and tail absent. Legs very short, soles of feet naked. Two pairs of mammae. Skull very robust. Long rostrum. Weak, but strongly outward bowed zygomatic arches. Strong developed sagittal crest. Incisors are very conspicuous. Lower incisors very large in comparison to mandible (
Figure 87
).
FIGURE 86.
The Palestine mole rat,
Nannospalax ehrenbergi
, from ‘Ammān.
Localities
:
Previous records
. Ash Shawbak (Mountfort, 1965), ‘Aqrabā (
Amr
et al
, 1987
); Busayra, Between
Jarash
and Sūf, Jubeiha, ‘Ibbīn, Ar Ramthā (
Amr & Disi, 1988
), Ḑānā Biosphere Reserve (Yousef &
Amr, 2005
),
10 km
NW ‘
Ammān
Mountains, Aṭ
Ṭafīla
, Dhiban,
Irbid
, Jîza,
Karak
, NW
Mādabā
, Mazar, Moab, Mount Nebo, As Salt Mountains, Naur,
10 km
N Wādī Al Hassa,
5 km
N Wādī Al-Mujib, Wādī Mūsá,
Zarqā
(Nevo
et al
., 2000).
Materials extracted from owl pellets:
Marj Al Hammam (Obuch per. com.); Fuḥeiṣ (Obuch per. com.); Ḑānā Biosphere Reserve (Obuch per. com.),
Iraq
al Wahaj (Obuch per. com.), Wādī
Zarqā
Ma’in (Pokines per. com.).
New records
: Al Hashemeyeh,
Ajlūn
,
Jarash
, Petra, Ra’s an Naqb, Umm Al Qiţţayn (
Figure 88
).
Habitat:
This species isconfined to the Mediterranean and semi-Mediterranean biotopes of
Jordan
. The distribution of the
Palestine
mole rat is apparently associated with
terra rosa
soil, the abundant soil
type
covering the Mediterranean province of
Jordan
. Its eastern distribution limits extend to around Umm Al Qiţţayn on the fringes of the black lava desert. Ra’s an Naqb represents its most southern range of distribution in the Middle East. This mole is an aggressive fossorial solitary species. Its presence is immediately confirmed by the existence of the variously-sized mounds that reflect its activity in open fields. Burrows are subdivided into three layers; the outer most is for food storage with connections to peripheral feeding tunnels (Nevo, 1961).
Biology:
Palestine mole rat feeds on bulbs, roots and subterranean vegetation. Gestation period lasts for about one month and they give birth to 3–4 new born annually.
Remarks
: The current taxonomic status of the blind mole rats in the Middle East and
Turkey
was revised by
Arslan
et al
. (2016)
based on chromosomal variation between species and populations of
Spalax
and
Nannospalax
. This review indicated the existence of 73 distinct chromosome races recorded in blind mole rats classified within the genus
Nannospalax
, along with the seven species recognized within the genus
Spalax
. Within the traditional species classified in the
Nannospalax
genus, 25 races can be distinguished within
N. leucodon
, 28 races within
N. xanthodon
and 20 races within
N. ehrenbergi
. Karyotyping (2n) for the Jordanian specimens ranged between 60– 62, whereas the NFa was 68–74, and NF 72–78 (
Arslan
et al
., 2016
).
Previous treatments of the species adopted the taxon
S. leucodon
(Nevo, 1969)
and reported several chromosomal species in
Palestine
. Nevo
et al
. (2000) studied the karyotype, allozyme, size and ecological diversity across the range of mole rats in
Jordan
from mesic
Irbid
in the north to xeric Wādī Mūsá in the south, they examined mole rats for chromosome (N=71), size (N=76), and allozyme (N=67) diversities, encoded by 32 loci, in 12 populations under the taxon
Spalax ehrenbergi
superspecies in
Jordan
. By a combination of chromosome morphology, genetic distance, body size and ecogeography, they identified four new putative biological species. All species (Except two animals in
Mādabā
) share 2n= 60 but vary in chromosome morphology, caused by pericentric inversions and/or centromeric shifts.