Family Mockingbirds and Thrashers (Mimidae)

Endangered

White-breasted Thrasher (Ramphocinclus brachyurus)


Taxonomy

French: Moqueur gorge-blanche German: Weißbrust-Spottdrossel Spanish: Cuitlacoche pechiblanco
Taxonomy:

Turdus brachyurus

Vieillot

, 1818,

Martinique, Lesser Antilles

.

In the past sometimes placed in genus Cinclocerthia. Race sanctaeluciae considered a separate species by some authors and evidence highly supportive: differs in the browner shade of its grey-brown plumage (1); blacker lores and ear-coverts (1); purer white underparts (1); more neatly organized (less irregular) flank markings (ns[1]); lack of scalloping on wing-coverts (ns[1]); anecdotally somewhat different calls (no recordings available; allow 1); mildly different ecology (nests reportedly placed much lower in vegetation; clearer evidence needed) (ns[1]); and larger size (effect size for male tail 5.71, but n=7 vs n=6; precautionarily allowed 2). Two subspecies recognized.

What do (1) and (2) mean? Learn more about the scoring system.
Subspecies and Distribution
  • R. b. brachyurus (Vieillot, 1818) – White-breasted Thrasher – Martinique, in C Lesser Antilles.
  • R. b. sanctaeluciae Cory, 1887 – St Lucia Thrasher – St Lucia, in SC Lesser Antilles.
  • Descriptive notes

    20–23 cm; nominate averages 48·2 g, sanctaeluciae 59·9 g. Medium-sized mimid of distinctive appearance, with rather long, slightly decurved bill... read more

    Voice

    Repeated short, mellow and varied phrases, each of several syllables. Call notes, on Martinique... read more

    Habitat

    Dry woodland, coastal thickets, wooded stream valleys, scrub-forest on windward coast at lower... read more

    Food and feeding

    Terrestrial arthropods; also small fruits, berries; small vertebrates, such as lizards (Gymnopthalmus pleei, Anolis luciae... read more

    Breeding

    Breeds Apr–Aug. Co-operative breeding recently discovered on both St Lucia and Martinique; on St Lucia, roughly a third of nests have... read more

    Movements

    Sedentary.

    Status and conservation

    ENDANGERED. Restricted-range species: present in the Lesser Antilles EBA. Current global population thought to total c. 1300–2600 breeding adults, of which 200–... read more

    Recommended citation

    Cody, M. (2018). White-breasted Thrasher (Ramphocinclus brachyurus). In: del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona. (retrieved from https://www.hbw.com/node/58183 on 15 December 2018).