---
title: "Jerzyk białorzytny"
description: "Apus pacificus — Ptaki. The Pacific swift (Apus pacificus) is a species of bird that is part of the Swift family."
canonical: https://animalchecklist.com/pl/animal/pacific-swift
last_updated: 2026-09-20
---

# Jerzyk białorzytny

> Apus pacificus — Ptaki. The Pacific swift (Apus pacificus) is a species of bird that is part of the Swift family.

- Scientific name: *Apus pacificus*
- Category: `birds` (Ptaki)
- Habitats: unknown
- iNaturalist observations: 2888
- Wikidata: [Q31866](https://www.wikidata.org/wiki/Q31866)
- iNaturalist taxon: [202491](https://www.inaturalist.org/taxa/202491)

## Names

- en: Pacific Swift
- de: Pazifiksegler
- es: Vencejo del Pacífico
- fr: Martinet de Sibérie
- nl: Siberische gierzwaluw
- pt: Andorinhão-asiático
- pl: Jerzyk białorzytny

## Countries with the most observations

RU (968), KR (207), AU (152), CN (106), SG (97), JP (93), TH (72), TW (69), MN (53), HK (36), ID (23), IT (17)

## Summary

The Pacific swift (Apus pacificus) is a species of bird that is part of the Swift family. It breeds in eastern Asia. It is strongly migratory, spending the northern hemisphere's winter in Southeast Asia and Australia. The general shape and blackish plumage recall its relative, the common swift, from which it is distinguished by a white rump band and heavily marked underparts. The sexes are identical in appearance, although young birds can be identified by pale fringes to the wing feathers that are absent in adults. This swift's main call is a screech typical of its family. It is one of a group of closely related Asian…

Text: Wikipedia (en), CC BY-SA 4.0 — https://en.wikipedia.org/wiki/Pacific_swift

## Photo

![Jerzyk białorzytny](https://animalchecklist.com/img/animals/pacific-swift/medium.jpg)

Photo: James Eaton · CC0 · inaturalist — https://www.inaturalist.org/observations/192423931

## Machine access

`GET https://animalchecklist.com/api/v1/animals/pacific-swift?lang=pl` — see [openapi.json](https://animalchecklist.com/openapi.json).