Marsh Warbler

Marsh Warbler

Acrocephalus palustris

Least ConcernNear ThreatenedVulnerableEndangeredCritically Endangered
Daily sighting probability ~10% · With luck
at Vanoise National Park
21 Verified sightings at Vanoise National Park From 2019 to 2026
1,916 Verified sightings across all 31 parks From 2019 to 2026
June Best month highest sighting rate
☀️ Diurnal When it's spotted during daytime hours (6am–6pm)

About the Marsh Warbler

The marsh warbler (Acrocephalus palustris) is an Old World warbler currently classified in the family Acrocephalidae. It breeds in temperate Europe and the western Palearctic and winters mainly in southeast Africa. It is notable for incorporating striking imitations of a wide variety of other birds into its song.

The marsh warbler breeds in a variety of mostly damp habitats, but in Africa winters mainly in dry, well-vegetated areas. It is common over much of its breeding range and expanding its distribution in some areas. However, in Britain it is now virtually extinct as a breeding bird, though the reasons for its decline are unclear. This insectivorous warbler can be easily confused with several close relatives, but the imitative song of the male is highly distinctive.

The marsh warbler was formally described in 1798 by the German naturalist Johann Matthäus Bechstein under the scientific name Motacilla s. Sylvia palustris. The type locality is Germany. The marsh warbler is now one of around 40 species placed in the genus Acrocephalus that was introduced by Johann Andreas Naumann and his son Johann Friedrich Naumann in 1811. The genus name Acrocephalus is from Ancient... Wikipedia →

Global Distribution

Where this species is recorded worldwide. Restricted to human observations from 2019 onwards — the same kind of record and the same period the probabilities on this page are built from, so collar-tracking studies, camera-trap arrays and museum specimens are excluded. Around Santa Rosa that removes 5,924 GPS fixes from a handful of tagged jaguars.

where this species is recorded (GBIF density — it tracks where observers go, not how likely a sighting is)  ·  parks where it occurs — tap a pin for the sighting probability there

Parks Where Found

# Park Country Daily sighting probability
1 Biebrza National Park 🇵🇱 Poland
~10%
2 Białowieża National Park 🇵🇱 Poland
~10%
3 Fertő-Hanság National Park 🇭🇺 Hungary
~10%
4 Gauja National Park 🇱🇻 Latvia
~10%
5 Tsavo West National Park 🇰🇪 Kenya
~10%
6 Ecrins National Park 🇫🇷 France
~10%
7 Hortobágy National Park 🇭🇺 Hungary
~10%
8 Bavarian Forest National Park 🇩🇪 Germany
~10%
9 Kiskunság National Park 🇭🇺 Hungary
~10%
10 Vanoise National Park 🇫🇷 France
~10%
11 Tsavo East National Park 🇰🇪 Kenya
<5%
12 Wadden Sea National Park 🇩🇪 Germany
<5%
13 Kruger National Park 🇿🇦 South Africa
<5%
14 Moremi Game Reserve 🇧🇼 Botswana
<5%
15 Chobe National Park 🇧🇼 Botswana
<5%
16 Triglav National Park 🇸🇮 Slovenia
Insufficient data
17 Garden Route National Park 🇿🇦 South Africa
Insufficient data
18 Addo Elephant National Park 🇿🇦 South Africa
Insufficient data
19 Mkomazi National Park 🇹🇿 Tanzania
Insufficient data
20 Pilanesberg National Park 🇿🇦 South Africa
Insufficient data
21 Ruaha National Park 🇹🇿 Tanzania
Insufficient data
22 Tatra National Park 🇸🇰 Slovakia
Insufficient data
23 Mikumi National Park 🇹🇿 Tanzania
Insufficient data
24 Hluhluwe-Imfolozi Park 🇿🇦 South Africa
Insufficient data
25 Nairobi National Park 🇰🇪 Kenya
Insufficient data
26 Mana Pools National Park 🇿🇼 Zimbabwe
Insufficient data
27 Kafue National Park 🇿🇲 Zambia
Insufficient data
28 Arusha National Park 🇹🇿 Tanzania
Insufficient data
29 South Luangwa National Park 🇿🇲 Zambia
Insufficient data
30 Camargue 🇫🇷 France
Insufficient data
31 Amboseli National Park 🇰🇪 Kenya
Insufficient data

Quick answers

What are the chances of seeing a Marsh Warbler in Vanoise National Park?

About 10% of wildlife watchers report a Marsh Warbler sighting in Vanoise National Park, based on 21 verified sightings from GBIF citizen-science data.

When is the best time to see Marsh Warbler in Vanoise National Park?

June has the highest sighting rate for Marsh Warbler in Vanoise National Park in our monthly data.

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