Fine Art

Thick-billed warbler (Iduna aedon) from The Anamalai hills JEG0661 (cropped)

Superregnum: Eukaryota
Regnum: Animalia
Subregnum: Eumetazoa
Cladus: Bilateria
Cladus: Nephrozoa
Superphylum: Deuterostomia
Phylum: Chordata
Cladus: Craniata
Subphylum: Vertebrata
Infraphylum: Gnathostomata
Superclassis: Tetrapoda
Cladus: Reptiliomorpha
Cladus: Amniota
Classis: Reptilia
Cladus: Eureptilia
Cladus: Romeriida
Subclassis: Diapsida
Cladus: Sauria
Infraclassis: Archosauromorpha
Cladus: Crurotarsi
Divisio: Archosauria
Subsectio: Ornithodira
Subtaxon: Dinosauromorpha
Cladus: Dinosauria
Ordo: Saurischia
Cladus: Theropoda
Cladus: Neotheropoda
Infraclassis: Aves
Ordo: Passeriformes
Subordo: Passeri
Infraordo: Passerida
Superfamilia: Sylvioidea

Familia: Acrocephalidae
Genus: Arundinax
Species: Arundinax aedon
Subspecies: A. a. aedon – A. a. rufescens

Arundinax aedon (Pallas, 1776)

Muscicapa aedon (protonym)
Iduna aedon
Acrocephalus aedon
Phragmaticola aedon
Arundinax olivaceus Blyth, 1845
Phragmaticola olivacea Jerdon, 1846


Reise durch verschiedene Provinzen des Russischen Reichs 3 (2): 695
Pittie, A., & Dickinson, E. 2013. The dating of the Second Supplement to Jerdon's Catalogue of the birds of the peninsula of India in the Madras Journal of Literature and Science, volume 13 number 31. Zoological Bibliography 2 (4): 151-166.

Vernacular names
العربية: هازجة سميكة المنقار
brezhoneg: Rouzig beg tev
català: Boscarla de bec gros
Cymraeg: Telor pigbraff
Deutsch: Dickschnabelspötter
English: Thick-billed Warbler
Esperanto: Dikbeka kanbirdo
español: Carricero picogordo
euskara: Lezkari mokolodi
suomi: Paksunokkakerttunen
français: Rousserolle à gros bec
magyar: Vastagcsőrű nádiposzáta
日本語: ハシブトオオヨシキリ
한국어: 큰부리개개비
മലയാളം: പെരുങ്കൊക്കൻ കുരുവി
नेपाली: मोटोठुँडे ट्याकट्याके
Nederlands: Diksnavelrietzanger
norsk: Tykknebbsanger
русский: Толстоклювая камышовка
svenska: Tjocknäbbad sångare
தமிழ்: பருத்த அலகு கதிர்க்குருவி
Tiếng Việt: Chim chích mỏ dày
中文: 厚嘴芦莺

The thick-billed warbler (Arundinax aedon) breeds in the temperate east Palearctic. South Siberia to West Mongolia.It is migratory, wintering in tropical South Asia and South-east Asia. It is a very rare vagrant to western Europe.

This passerine bird is a species found in dense vegetation such as reeds, bushes and thick undergrowth. 5-6 eggs are laid in a nest in a low tree.

This is a large warbler, at 16–17.5 centimetres (6.3–6.9 in) long nearly as big as great reed warbler. The adult has an unstreaked brown back and buff underparts, with few obvious distinctive plumage features. The forehead is rounded, and the bill is short and pointed. The sexes are identical, as with most warblers, but young birds are richer buff below. Like most warblers, it is insectivorous, but will take other small prey items.

The song is fast and loud, and similar to marsh warbler, with much mimicry and typically acrocephaline whistles added.

It was sometimes placed in the monotypic genus Phragmaticola (or Phragamaticola) and for a long time as Acrocephalus and in 2009 suggested as being within the Iduna clade[3] but a 2014 phylogeny study based on more loci suggested that it did not fit into the Iduna clade suggesting a resurrection of the genus Phragamaticola[4] or Arundinax, the oldest available genus name which has priority.[5]

Keyserling and Blasius gave no explanation of the genus name Iduna. The specific aedon is from Latin aëdon or Ancient Greek aedon and means nightingale. In Greek mythology Aëdon was changed into a nightingale after killing her own son while attempting to murder one of the sons of her sister Niobe.[6]

BirdLife International (2016). "Arundinax aedon". IUCN Red List of Threatened Species. 2016: e.T22714871A94431231. doi:10.2305/IUCN.UK.2016-3.RLTS.T22714871A94431231.en. Retrieved 12 November 2021.
Gill F, D Donsker & P Rasmussen (Eds). 2020. IOC World Bird List (v10.2). doi : 10.14344/IOC.ML.10.2.
Silke Fregin; Martin Haase; Urban Olsson; Per Alström (2009). "Multi-locus phylogeny of the family Acrocephalidae (Aves: Passeriformes) – The traditional taxonomy overthrown". Molecular Phylogenetics and Evolution. 52 (3): 866–878. doi:10.1016/j.ympev.2009.04.006. PMID 19393746.
Arbabi, Tayebeh; Gonzalez, Javier; Wink, Michael (2014). "A re-evaluation of phylogenetic relationships within reed warblers (Aves: Acrocephalidae) based on eight molecular loci and ISSR profiles". Molecular Phylogenetics and Evolution. 78: 304–13. doi:10.1016/j.ympev.2014.05.026. PMID 24910156.
Pittie, Aasheesh; Dickinson, Edward (2013). "The dating of the Second Supplement to Jerdon's Catalogue of the birds of the peninsula of India in the Madras Journal of Literature and Science, volume 13 number 31". Zoological Bibliography. 2 (4): 151–166.
Jobling, James A (2010). The Helm Dictionary of Scientific Bird Names. London: Christopher Helm. pp. 32, 202. ISBN 978-1-4081-2501-4.

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