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Yellow-red rat snake facts for kids

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Yellow-red rat snake
Elaphe flavirufa.jpg
Conservation status
Scientific classification
Genus:
Pseudelaphe
Species:
flavirufa
Synonyms
  • Coluber flavirufus
    Cope, 1867
  • Natrix flavirufus
    — Cope, 1887
  • Elaphe flavirufa
    — Amaral, 1929
  • Pseudoelaphe flavirufus
    — Mertens & Rosenberg, 1943
  • Pseudelaphe flavirufus
    — Utiger et al., 2002
  • Pantherophis flavirufa
    — Utiger et al., 2002
  • Pseudelaphe flavirufa
    — Wallach et al., 2014

The yellow-red rat snake (Pseudelaphe flavirufa) is a species of snake in the family Colubridae. The species is endemic to Mexico and Central America. Three subspecies are recognized.

Geographic range

P. flavirufa is found in the Mexican states of Campeche, Chiapas, Oaxaca, Puebla, Querétaro, Quintana Roo, San Luis Potosí, Tamaulipas, and Zacatecas. It is also found in Belize, Guatemala, Honduras, and Nicaragua.

Description

P. flavirufa may attain a total length of 1.22 m (4.0 ft), which includes a tail 26 cm (10 in) long. Dorsally, it is yellowish or pale brown with a series of reddish or chestnut-brown spots, which are black-edged and may be confluent into a zigzag stripe. There is an alternating lateral series of smaller spots on each side of the dorsal series. Ventrally, it is yellowish, either plain or with small brown spots.

Reproduction

P. flavirufa is oviparous.

Subspecies

There are three subspecies of P. flavirufa, including the nominotypical subspecies, which are recognized as being valid.

  • Pseudelaphe flavirufa flavirufa (Cope, 1867)
  • Pseudelaphe flavirufa matudai (H.M. Smith, 1941)
  • Pseudelaphe flavirufa pardalina (W. Peters, 1869)

Nota bene: A trinomial authority in parentheses indicates that the subspecies was originally described in a genus other than Pseudelaphe.

Etymology

The subspecific name, matudai, is in honor of Japanese-Mexican botanist Eizi Matuda.

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