Sedge Warbler

Acrocephalus schoenobaenus

Genus · Reed Warblers Family · Reed Warblers and Allies
Observation tips Difficulty: MODERATE
Best time
🌅 Early morning
Activity
☀️ Diurnal
Best months
1
2
3
4
5
6
7
8
9
10
11
12
Observation habitat
Lake wetlandsMarshScrub wasteland

Listen for the erratic, 'jazzy' song in damp areas. Look for the bold white stripe above the eye. This feature is more distinct than in almost any other European warbler.

Sedge Warbler
Stats
Wingspan17–21 cm
Weight10–15 g
Length11–13 cm
Lifespan wild2–4 yrs
Size
XS
S
M
L
XL
Nesting
Nest typeCup
Clutch size4–6 eggs
Incubation12–14 days
Breeding months
1
2
3
4
5
6
7
8
9
10
11
12
Regional Status (Europe)
LC
Least Concern (Europe)
IUCN Red List
MigrationMigratory
Social BehaviourSolitary

Diet: Insectivore

🦗Insects
🕷️Spiders
🐛Larvae

Habitat

🛶 Lake wetlands🌾 Marsh🏜️ Scrub wasteland
✦ Fun Fact

Sedge Warblers switch from an almost entirely insect diet to a mixed diet that can include large amounts of elderberries and other berries where they are available, allowing rapid fat accumulation before migration.

About

A medium-sized, streaky warbler of wetlands and damp scrub. It is recognized by a broad, pale cream 'eyebrow' and a dark crown. It is a summer visitor to Europe and migrates from sub-Saharan Africa. It breeds in reedbeds, marshes, and ditches with thick vegetation. It prefers a mix of reeds and taller bushes rather than pure reed stands. It often ventures into crops or hedges near water.

Behaviour

The Sedge Warbler is a loud and restless bird. Its song is a frantic, complex jumble of chattering, whistling, and mimicry. Males sing from exposed perches or perform short 'song-flights'. They flutter upward and then parachute down with wings held high. They are active foragers and move through dense stalks to find aphids, spiders, and flies.
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