How do you identify a Half-collared Sparrow?

The half-collared sparrow is about 15 cm (5.9 in) long and weighs 22 to 28 g (0.78 to 0.99 oz). Full identification notes are on this page.

How big is a Half-collared Sparrow?

The Half-collared Sparrow is a small sized bird weighing about 28 g.

Where can you see a Half-collared Sparrow?

The Half-collared Sparrow is endemic to Brazil, which is the only country where it occurs.

What birds look similar to a Half-collared Sparrow?

The Half-collared Sparrow is most easily confused with the Black-capped Sparrow, the Olive Finch and the Costa Rican Brushfinch.

Is the Half-collared Sparrow endangered?

The Half-collared Sparrow is listed as Least Concern on the IUCN Red List.

Half-collared Sparrow

Arremon semitorquatus

New World Sparrows · Passeriformes · Rare

The Half-collared Sparrow (Arremon semitorquatus) is a rare new world sparrow found only in Brazil, weighing about 28 g. The half-collared sparrow is a species of bird in the family Passerellidae, the New World sparrows.

Least ConcernRareEndemicEats omnivoreforestdome nest28 g

Half-collared Sparrow (Arremon semitorquatus), photo 1 — Photo: (c) Tom Field, some rights reserved (CC BY) · CC-BY

Half-collared Sparrow (Arremon semitorquatus), photo 2 — Photo: (c) Daniel S. Katz, some rights reserved (CC BY) · CC-BY

Half-collared Sparrow (Arremon semitorquatus), photo 3 — Photo: (c) Bruno Luka de Souza Bambirra Silveira, some rights reserved (CC BY) · CC-BY

Half-collared Sparrow (Arremon semitorquatus), photo 4 — Photo: (c) Thomaz de Carvalho Callado, some rights reserved (CC BY) · CC-BY

Half-collared Sparrow (Arremon semitorquatus), photo 5 — Photo: (c) Tom Field, some rights reserved (CC BY) · CC-BY

Half-collared Sparrow (Arremon semitorquatus), photo 6 — Photo: (c) Conrado Pável de Oliveira, some rights reserved (CC BY) · CC-BY

Half-collared Sparrow (Arremon semitorquatus), photo 7 — Photo: (c) Conrado Pável de Oliveira, some rights reserved (CC BY) · CC-BY

Half-collared Sparrow (Arremon semitorquatus), photo 8 — Photo: (c) Tristan Jobin, some rights reserved (CC BY) · CC-BY

Half-collared Sparrow (Arremon semitorquatus), photo 9 — Photo: (c) Diogo Luiz, some rights reserved (CC BY) · CC-BY

About the Half-collared Sparrow

The half-collared sparrow is a species of bird in the family Passerellidae, the New World sparrows. It is endemic to Brazil.

Text adapted from Wikipedia, licensed CC BY-SA 4.0.

How to identify it

The half-collared sparrow is about 15 cm (5.9 in) long and weighs 22 to 28 g (0.78 to 0.99 oz). The species is sexually dimorphic but not dramatically so. Adult males have a black crown with a gray stripe through its middle, black lores, and a white supercilium that extends to the nape. The rest of their face is black. Their nape and the sides of their neck are gray. Their upperparts, wings, and tail are mostly greenish olive with somewhat more yellowish green on the lesser wing coverts. They have a white throat. Voice: One song of the half-collared sparrow is "a high-pitched series of three whistles, each whistle descending in frequency, and each lower in pitch than previous one, tzee–tzeuuu-tzééúúúú". Another has "an up-down, up-down pattern, swee-swóóó swee-swóóó". Its call is a metallic "sharp ringing tiip".

Where it lives

Brazil

When to see it

Best months: January, February, May, June, July, August, September, October, November, December, with peak activity in October. It is a variable species across most of its range.

Easily confused with

Quick questions

How do you identify a Half-collared Sparrow?: The half-collared sparrow is about 15 cm (5.9 in) long and weighs 22 to 28 g (0.78 to 0.99 oz). Full identification notes are on this page.
How big is a Half-collared Sparrow?: The Half-collared Sparrow is a small sized bird weighing about 28 g.
Where can you see a Half-collared Sparrow?: The Half-collared Sparrow is endemic to Brazil, which is the only country where it occurs.
What birds look similar to a Half-collared Sparrow?: The Half-collared Sparrow is most easily confused with the Black-capped Sparrow, the Olive Finch and the Costa Rican Brushfinch.
Is the Half-collared Sparrow endangered?: The Half-collared Sparrow is listed as Least Concern on the IUCN Red List.

Learn the Half-collared Sparrow for real

BeakBrain drills you on photos and calls until you can greet this bird by name in the field. Free to play, on any device.

Play BeakBrain

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