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Bahama Mockingbird Mimus gundlachii Scientific name definitions

Martin L. Cody
Version: 1.0 — Published March 4, 2020
Text last updated August 1, 2017

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Introduction

Despite its name, the Bahama Mockingbird is not endemic to the Bahamas, but in fact is also found on the Turks & Caicos Islands, a handful of small islets off the north coast of Cuba, and in a relatively small area of southern Jamaica. Two subspecies are recognized, with Mimus gundlachii hillii endemic to the last-named island. It is broadly similar in plumage to the more familiar Northern Mockingbird (Mimus polyglottos), which is out-competing the present species in parts of Cuba, but differs in being slightly larger, with browner upperparts including the wings, and neatly streaked underparts. The species inhabits xeromorphic vegetation, often in coastal zones, in Cuba, elsewhere it ranges into other scrubby and wooded habitats, where it generally favors taller vegetation than the Northern Mockingbird. Vagrants of this species have reached southeast Florida, but nonetheless the Bahama Mockingbird is generally considered to be a sedentary resident. It is just one of several species whose scientific names commemorates the extraordinary achievements of the German naturalist Johannes Gundlach, who spent most of his working life on Cuba.

Field Identification

28 cm; 57–85 g, average 66·8 g. Large brownish mockingbird with long tail. Has dark lores, mottled face , pale supercilium; brownish-grey above , dark streaks from crown to lower back , upperwing-coverts obscurely pale-tipped; outer retrices tipped whitish; throat white, dark malar stripe; underparts light grey, upper breast lightly streaked, flanks distinctly streaked; iris variable, dull yellow to brick orange; bill and legs blackish. Sexes similar, female slightly smaller and shorter-tailed than male. Juvenile is more densely spotted below. Race <em>hillii</em> has more prominent streaking on back, larger white tips on tail (mainly inner webs).

Systematics History

Editor's Note: This article requires further editing work to merge existing content into the appropriate Subspecies sections. Please bear with us while this update takes place.

Interbreeding with M. polyglottos reported, but probably rare. Two subspecies recognized.

Subspecies


SUBSPECIES

Mimus gundlachii gundlachii Scientific name definitions

Distribution

Bahamas, Camagüey Archipelago (N coast of Cuba) and Turks and Caicos Is.

SUBSPECIES

Mimus gundlachii hillii Scientific name definitions

Distribution

(1, 2)S Jamaica.

Hybridization

Hybrid Records and Media Contributed to eBird

  • Bahama x Northern Mockingbird (hybrid) Mimus gundlachii x polyglottos

Distribution

Editor's Note: Additional distribution information for this taxon can be found in the 'Subspecies' article above. In the future we will develop a range-wide distribution article.

Habitat

Coastal strand, semi-arid scrub, open woodland, grassy areas with scattered trees, palmettos, plantations around habitation. Confined to arid scrubby woodland of limestone hills on S coast of Jamaica (race hillii). Tends to prefer denser, taller vegetation than that used by M. polyglottos; little overlap in Jamaica, where latter species occurs nearby in more open areas. Where sympatric with Margarops fuscatus, occupies scrub and woods away from settlements.

Movement

Resident; occasional wandering, and vagrants recorded in SE USA (S Florida).

Diet and Foraging

Omnivorous. Diet varied, from various terrestrial invertebrates to caterpillars, Agave nectar, and many small fruits such as figs (Ficus), Bursera, Capparis; also preys on small lizards. Forages mostly on ground, but also to 6 m within vegetation; more arboreal than M. polyglottos. On ground, searches leaf litter, turning litter and small stones with bill; extracts snails from shells. Interspecific aggression over food resources common; tends to exclude M. polyglottos from preferred feeding sites.

Sounds and Vocal Behavior

Loud series of abrupt, varied notes and phrases, with repetition; reportedly less varied and more musical than song of M. polyglottos; males on adjacent territories sing antiphonally. Not known to mimic other species.

Breeding

Season Feb–Jul, from Apr in Cuba. Monogamous. Aggressively territorial, defends territory by vigorous song; territories overlap with those of M. polyglottos. Nest, built by both sexes, a rough open cup of twigs, lined with softer fibres, generally placed low down, range 0·5–4·5 m, in bush, occasionally on ground. Clutch 2–3 eggs, creamy to pinkish-white, with reddish-brown spots and blotches mostly at broad end; no information on incubation and nestling periods.
Not globally threatened. Restricted-range species: present in Cuba EBA, Bahamas EBA and Jamaica EBA. Widespread and common in Bahamas, but absent from some NW islands; common in restricted range in S Jamaica (Hellshire Hills region). In Cuba, confined to Camagüey Archipelago, in N coast; common on some cays (Cruz, Guillermo), but rare and vulnerable on others. May be declining in parts of range as human habitations, and subsequent spread of M. polyglottos, expand on islands, e.g. San Salvador (EC Bahamas).
Distribution of the Bahama Mockingbird - Range Map
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Distribution of the Bahama Mockingbird

Recommended Citation

Cody, M. L. (2020). Bahama Mockingbird (Mimus gundlachii), version 1.0. In Birds of the World (J. del Hoyo, A. Elliott, J. Sargatal, D. A. Christie, and E. de Juana, Editors). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.bahmoc.01
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