AMPHIBIAWEB
Ansonia mcgregori
McGregor's Toad
family: Bufonidae
Conservation Status (definitions)
IUCN (Red List) Status Vulnerable (VU)
CITES
Other International Status None
National Status None
Regional Status None

Country distribution from AmphibiaWeb's database: Philippines

 

View distribution map using BerkeleyMapper.

   

From the Encyclopedia of Life account:

Type Locality

"near [Pasonanca]", Zamboanga Peninsula, Mindanao Island, Philippines (Taylor, 1922); type stored in the California Academy of Sciences; CAS 61839 (Edward Taylor Field No. EHT 1468A)


Author: Siler, Cameron
License: http://creativecommons.org/licenses/by/3.0/

Faunal Affinity

Mindanao Pleistocene Aggregate Island Complex (PAIC; Brown and Diesmos, 2002).


Author: Siler, Cameron
License: http://creativecommons.org/licenses/by/3.0/

Distribution

This species is currently recognized to occur only in western Mindanao (Sanguila et al., 2011).


Author: Siler, Cameron
License: http://creativecommons.org/licenses/by/3.0/

Color

Coloration in life reported to be: "above deep olive, variegated with lighter and darker areas; throat blackish; belly muddy, underside of femur dirty white; scattered, minute, cream-colored spots on belly" in the type description by Taylor (1922).


Author: Siler, Cameron
License: http://creativecommons.org/licenses/by/3.0/

Diagnostic Description

"Choanae small, nearly hidden under the overhanging jaw; tongue elongate, oval, free behind; openings of vocal sacs elongate slits; snout bluntly conical when viewed from above, extending beyond lower jaw and sloping obliquely downward; a distinct keel from tip of snout to mouth; canthus rostralis distinct, loreal region nearly prependicular, with a depression behind nostril; median area on snout with a broad shallow groove; two slight, rounded ridges on the interorbital area; eye large, prominent, much longer than its distance from end of snout; no evidence of tympanum; a strong contriction a short distance behind eye, separating head from body, represented dorsally by two distinct depressions in front of shoulders; depressions surrounded by glandular skin; snout, eyelid, temporal area, and back very strongly tubercular; upper lip rather glandular; sides and limbs strongly tubercular; belly and throat very strongly granular; fingers long, well developed, the first shorter than second; finger tips swollen, not or very slightly wider than digit; subarticular tubercles dim; two large carpal tubercles; tips of toes swollen into small pads, not widened; the web extends to pads on all but fourth toe, where it reaches to base of last joint; subarticular tubercles dim; three metatarsal tubercles, a prominent, rounded, outer tubercle, and two flattened, inner tubercles subequal in size; the membrane on outer side of first toe continues on inner side of leg; leg brought forward tibiotarsal articulation reaches to anterior corner of eye." (Text taken from Taylor, 1922)


Author: Siler, Cameron
License: http://creativecommons.org/licenses/by/3.0/

Look Alikes

Most closely resembles Ansonia muelleri, but was described to differ by the following characters: 1) constriction of neck, 2) rounded depressions in the post-temporal region, 3) having entire upper surface of body strongly tuberculate, 4) three metatarsal tubercles, 5) reduced webbing between toes (Taylor, 1922).


Author: Siler, Cameron
License: http://creativecommons.org/licenses/by/3.0/