Anolis pecuarius SCHWARTZ, 1969
Can you confirm these amateur observations of Anolis pecuarius?
|Higher Taxa||Dactyloidae, Iguania, Sauria, Squamata (lizards)|
|Common Names||Île-à-Vache green anole|
|Synonym||Anolis coelestinus pecuarius SCHWARTZ 1969: 34|
Anolis coelestinus — WILLIAMS 1965 (in part.)
Anolis coelestinus pecuarius — SCHWARTZ & THOMAS 1975
Anolis coelestinus pecuarius — SCHWARTZ 1980 (in part.)
Anolis coelestinus pecuarius — SCHWARTZ & HENDERSON 1988
Anolis coelestinus pecuarius — SCHWARTZ & HENDERSON 1991
Anolis coelestinus — POWELL et al. 1996 (in part.)
Anolis coelestinus pecuarius — RAMOS & POWELL 2001
Anolis coelestinus pecuarius — HENDERSON & POWELL 2009
Deiroptyx coelestina pecuaris [sic] — NICHOLSON et al. 2012
Anolis pecuarius — KÖHLER & HEDGES 2016: 28
Type locality: “Western end, Ile-à-Vache, Haiti”
|Types||Holotype: MCZ 81141|
|Comment||Synonymy: mostly after KÖHLER & HEDGES 2016: 18.|
Distribution: see map in KÖHLER & HEDGES 2016: 22 (Fig. 10).
Species group: Deiroptyx chlorocyana species group (fide NICHOLSON et al. 2012).
Conservation. Given the small range size and ongoing threats, we consider the conservation status of Anolis pecuarius to be Critically Endangered based on criterion B1ab (iii) of the IUCN Red List Categories and Criteria (IUCN 2012).
Diagnosis. A moderate-sized to moderately large species of Anolis that differs from all other Hispaniolan congeners except A. coelestinus and A. demissus and two species described below by the combination of having (1) predominantly green overall coloration in life (capable of rapid color change to brown); (2) white subocular stripe that continues as a white streak onto lateral neck usually absent (3) hind legs relatively short (fourth toe of adpressed hind leg reaching to ear opening or only slightly beyond ear opening); (4) ventral scales at midbody usually faintly to distinctly keeled; (5) 39–47 subdigital lamellae on Phalanges II–IV of Toe IV of hind limbs; (6) male dewlap yellowish green or brown (after metachrosis) in life with longitudinal or oblique double rows of gorgetal scales; (7) ratio tail length / SVL >1.7, usually >2.0. Among the Anolis species occuring treated in this contribution, A. pecuarius is most similar to A. coelestinus, A. demissus, and two species described below. Anolis pecuarius differs from A. coelestinus by (1) usually not having a white subocular stripe and no a white streak above shoulder (vs. such a pattern usually present in A. coelestinus); (2) a yellowish brown male dewlap in life (vs. some shade of green in A. coelestinus); and (3) by lacking any pattern on flanks (vs. usually a pattern of pale green vertical bars or blotches present in A. coelestinus). Anolis pecuarius differs from A. demissus by having (1) a yellowish brown male dewlap in life (vs. dark gray to greenish gray in A. demissus); (2) 4 supracaudals per caudal segment, either throughout all discernable segments or having the reduction from 5 to 4 supracaudals per segment before the 5th segment (vs. 5 supracaudals per caudal segment throughout all discernable segments in A. demissus); (3) usually weakly to distinctly keeled ventral scales (vs. usually smooth in A. demissus). Anolis pecuarius differs from A. chlorocyanus, A. cyanostictus, and A. peynadoi by having (1) a yellowish green or brown (after metachrosis) in life dewlap with longitudinal or oblique double rows of gorgetal scales (vs. dewlap bicolored with a darker posterior portion and with regularly spaced more or less homogeneous gorgetal scales); (2) and a blue iris in life (vs. brown to reddish brown). Anolis pecuarius differs further from A. cyanostictus (1) by having a distinct white subocular stripe that continues as a white streak onto lateral neck (vs. no such stripe and streak in A. cyanostictus) and (2) by the lack of pale brown blotches above and anterior to shoulder as well as immediately posterior to eye (vs. such blotches present in A. cyanostictus). Anolis pecuarius differs from A. aliniger and A. singularis by (1) having a longer tail with a ratio tail length / SVL >1.7, usually >2.0 (vs. <1.7); (2) a distinct white subocular stripe that continues as a white streak onto lateral neck (vs. no such stripe and streak); (3) usually >38 subdigital lamellae on Phalanges II–IV of Toe IV of hind limbs; and (4) no conspicuously dark colored distal portion of tail in front of pale colored tail tip (vs. such a tail color pattern present, most obvious in life). For differences between A. chlorocyanus and the species described below, see the respective accounts of the new species [KÖHLER & HEDGES 2016: 18].
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