Boiga nuchalis (GÜNTHER, 1875)
Can you confirm these amateur observations of Boiga nuchalis?
|Higher Taxa||Colubridae, Colubrinae, Colubroidea, Caenophidia, Alethinophidia, Serpentes, Squamata (snakes)|
|Common Names||E: Collared Catsnake|
|Synonym||Dipsas nuchalis GÜNTHER 1875: 233|
Dipsadomorphus nuchalis — WALL 1900
Dipsadomorphus nuchalis — WALL 1909: 153
Boiga ceylonensis dakhunensis DERANIYAGALA 1955 (fide GANESH et al. 2020)
Boiga nuchalis — DAS 1996: 54
Boiga nuchalis — GROEN 2008
Boiga nuchalis — WALLACH et al. 2014: 106
Boiga nuchalis — GANESH et al. 2020
|Distribution||SW India (Western Ghats: Maharashtra, Goa, Karnataka, Kerala, Eastern Ghats: Tamil Nadu), Nepal|
Type locality: "forests on the western coast of Malabar, Southern India." [Kerala, SW India].
|Types||Syntypes: BMNH 18126.96.36.1993-18188.8.131.527, four males, largest is 1118 mm, one subadult (R.H. Beddome). Types not listed in BMNH catalogue fide Lang, pers. comm.|
|Diagnosis||Diagnosis. A species of Boiga endemic to southwestern India, characterised by the following combination of characters: 21–23 midbody scale rows (vs. 19 in B. ceylonensis, B. thackerayi, B. beddomei, B. flaviviridis); vertebral scales strongly enlarged (vs. mildly enlarged in B. barnesii); venter brownish-grey and not yellowish in life (vs. yellowish-brown in B. thackerayi, B. flaviviridis; variable in B. andamanensis; dorsum predominantly brown (vs. green in B. flaviviridis; variable in B. andamanensis); bars brown or reddish-brown (vs. bars black in B. thackerayi, B. beddomei); ventrolateral pattern with a series of spots on both tips of each ventral scale (vs. with alternate white and black blotches in B. barnesii, B. thackerayi; without any pattern in B. andamanensis, B. flaviviridis); temporal larger than coastal body scale (vs. subequal to coastal body scale in B. dightoni) (from Ganesh et al. 2020).|
|Comment||Distribution: Reports from Nepal may represent B. ochracea (G. Vogel, pers. comm. 24. Sep. 2013). Possibly in Bhutan (fide Lenz 2012), but unlikely to occur there.|
Synonymy: SMITH 1943 considered Dipsas nuchalis GÜNTHER 1875 as a synonym of C. ceylonensis.
Habitat: fully arboreal (Harrington et al. 2018).
|Etymology||Named after its typical collar band on the nuchal region.|