Pale-breasted spinetail

The pale-breasted spinetail (Synallaxis albescens), is a passerine bird which breeds in the tropical New World from Costa Rica to Uruguay,[2] and in Trinidad.

Pale-breasted spinetail
At Piraju, São Paulo State, Brazil
Scientific classification Edit this classification
Domain: Eukaryota
Kingdom: Animalia
Phylum: Chordata
Clade: Dinosauria
Class: Aves
Order: Passeriformes
Family: Furnariidae
Genus: Synallaxis
Species:
S. albescens
Binomial name
Synallaxis albescens
Temminck, 1823

It is a member of the South American bird family Furnariidae, a group in which many species build elaborate clay nests, giving rise to the English name for the family of "ovenbirds".

However, the pale-breasted spinetail constructs a spherical stick nest with a 30 cm long tubular entrance low in a bush, into which its two greenish white eggs are laid. This species is a widespread and common resident breeder in a range of grassy and scrub habitats.

The pale-breasted spinetail is typically 16.5 cm long, and weighs 15 g. It is a slender bird with a medium long tail. The upperparts plumage is mainly pale brown, with darker wings and tail and rufous crown and shoulder patches. The throat and underparts are whitish with browner flanks.

Sexes are similar, but the race josephinae has grey on the forecrown, face sides and chest.

The pale-breasted spinetail is an insectivore which is difficult to see as it forages deep in thickets, but may be located by its buzzy repetitive wait'here song.

References
  1. BirdLife International (2020). "Synallaxis albescens". IUCN Red List of Threatened Species. 2020: e.T22702301A138175036. doi:10.2305/IUCN.UK.2020-3.RLTS.T22702301A138175036.en. Retrieved 12 November 2021.
  2. Claramunt, Santiago; Mazzulla, J. C. (2002). "La presencia de Synallaxis albescens en Uruguay (Aves: Passeriformes: Furnariidae)" (PDF). Comunicaciones Zoológicas del Museo de Historia Natural y Antropología. 13 (200): 1–4.
  • ffrench, Richard (1991). A Guide to the Birds of Trinidad and Tobago (2nd ed.). Comstock Publishing. ISBN 0-8014-9792-2.
  • Hilty, Steven L (2003). Birds of Venezuela. London: Christopher Helm. ISBN 0-7136-6418-5.

Further reading
  • Skutch, Alexander F. (1969). "Pale-breasted castlebuilder" (PDF). Life Histories of Central American Birds III: Families Cotingidae, Pipridae, Formicariidae, Furnariidae, Dendrocolaptidae, and Picidae. Pacific Coast Avifauna, Number 35. Berkeley, California: Cooper Ornithological Society. pp. 335–340.
  • Image - Animal Diversity Web
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