“…There are some other studies that were documented on the role of skin-to-skin contact and its relation to skin temperature which may show the connection between touch and skin temperature, to which we return when we discuss developmental thermoregulation. More indirect links have been provided between close relationships and the regulation of metabolic resources: Henriksen et al (2014) found that being socially integrated is related to a lesser consumption of drinks containing sugar during pregnancy, while thinking about a romantic partner (who is likely to be a source of warmth) 11 Evidence on huddling strategies was cited by Ebensperger (2001) on Bathyergidae (Heterocephalus glaber- Withers and Jarvis, 1980), Muridae (Abrothrix andinus, Abrothrix lanosus- Canals et al, 1997;Apodemus agrarius-Tertil, 1972; Apodemus flavicollis -Fedyk, 1971; Clethrionomys glareolus -Górecki, 1968;Gebczyński, 1969;Gebczyńska and Gebczyński, 1971; Eligmodontia typus- Canals et al, 1997;Meriones unguiculatus-Contreras, 1984;Mus musculus-Prychodko, 1958;Martin et al, 1980;Contreras, 1984;Microtus townsendii-Andrews et al, 1987;Ochrotomys nuttalli-Springer et al, 1981;Ondatra zibethicus-Bazin and MacArthur, 1992; Peromyscus leucopus- Glaser and Lustick, 1975;Vogt and Lynch, 1982; Peromyscus maniculatus- Andrews and Belknap, 1986;Phyllotis darwini-Canals et al, 1997;and Reithrodontomys megalotis-Pearson, 1960), Myocastoridae (Myocastor coypus- Moinard et al, 1992), Octodontidae (Octodon degus- Canals et al, 1989), and Sciuridae (Ammospermophilus leucurus- Karasov, 1983; Glaucomys volans- Stapp et al, 1991), but also for round-tailed ground squirrels Spermophilus tereticaudus (Dunford, 1977), southern flying squirrels Glaucomys volans (Stapp et al, 1991;Layne and Raymond, 1994), gray squirrels …”