Common Grasshopper Warbler

Common Grasshopper Warbler

Locustella naevia

Also known as: Grasshopper Warbler

Predict Sightings

Habitat

Understory

Diet

Invertebrate

Active Time

Diurnal

Size

13 g

About This Species

Listen for its unmistakable mechanical reeling song, often delivered from deep within dense grassland, scrub or young plantation across much of Europe and western Asia, since the bird itself stays hidden low in cover and is rarely seen well. It forages close to the ground on insects, favouring damp, rank vegetation, and singing males are most vocal at dusk and after dark in late spring and early summer. Patience near a singing perch offers the best chance of a brief view as it shifts position.

Ethical Viewing Guidelines

  • Stay well back and avoid entering dense grassland cover to search for a singing bird, since flushing it from low vegetation risks trampling nests of this and other ground-nesting species sharing the habitat.
  • Nest protection laws apply across its European and Asian breeding range, though specific provisions and enforcement vary by country, so treat any suspected nest site as strictly off-limits.
LCAvesPasseriformesLocustellidae

Seasonal Activity

326,772 sightings · 2000–2026

Citizen science records via GBIF

All monthsThis month

Classification

Kingdom
Animalia
Phylum
Chordata
Class
Aves
Order
Passeriformes
Family
Locustellidae

Traits

Diet
Invertebrate
Foraging
Understory
Activity
Diurnal
Body mass
13 g

Photo

(c) Константин Самодуров, some rights reserved (CC BY-NC), uploaded by Константин Самодуров

CC-BY-NC-4.0

Occurrence data from GBIF.