Family Cardinals (Cardinalidae)

Near Threatened

Tres Marias Chat (Granatellus francescae)


Taxonomy

French: Granatelle des Marias German: Tres-Marías-Sängerkardinal Spanish: Reinita de las Marías
Taxonomy:

Granatellus francescæ

S. F. Baird

, 1865,

Tres Marías Islands, off western Mexico

.

Usually treated as conspecific with G. venustus, but differs in its lack of black breastband (3); white hindcollar formed by continuing white postocular stripe (at least 1); grey of crown extending over nape (1); tail with proportionately more white (ns[1]); pink of underparts generally slightly paler and less extensive (ns[1]); tail much longer (effect size 3.63, score 2). In original publication, species name also spelt franciscae; First Reviser action used to select current spelling#R. Monotypic.

What do (1) and (2) mean? Learn more about the scoring system.
Distribution:

Tres Marías Is, off Nayarit (W Mexico).

Descriptive notes

14·5–16 cm; 10·2–11·4 g. Long tail frequently cocked and fanned; compared to formerly conspecific G. venustus, present species averages 7% longer wings, 9·7% longer... read more

Voice

Apparently undescribed; differences, if any, between this species and previously conspecific G... read more

Habitat

Inhabits arid and semi-arid bushy woodland and scrub, but there is little direct information about... read more

Food and feeding

Diet basically unknown, but presumably very similar to that of G. venustus. Foraging behaviour also undescribed, but again... read more

Breeding

Season apparently mainly Jun–Aug; moulting juvenile collected in late Apr. Nest under construction (by female) in late Jun and another with... read more

Movements

Sedentary.

Status and conservation

Not globally threatened. Currently considered Near Threatened. Restricted-range species: confined to a small part of the North-west Mexican Pacific slope EBA. Its population... read more

Recommended citation

del Hoyo, J., Collar, N. & Kirwan, G.M. (2019). Tres Marias Chat (Granatellus francescae). 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/1344169 on 19 June 2019).