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Striated earthcreeper
Conservation status
Least Concern  (IUCN 3.1)
Scientific classification
Domain:	Eukaryota
Kingdom:	Animalia
Phylum:	Chordata
Class:	Aves
Order:	Passeriformes
Family:	Furnariidae
Genus:	Geocerthia Chesser, RT, & Claramunt, 2009
Species:	G. serrana
Binomial name
Geocerthia serrana (Taczanowski, 1875)
Synonyms
Upucerthia serrana

The striated earthcreeper (Geocerthia serrana) is a species of bird in the Furnariinae subfamily of the ovenbird family Furnariidae. It is endemic to Peru.

Taxonomy and systematics

The striated earthcreeper was long placed in genus Upucerthia with several other earthcreepers. Genetic studies in the early 2000s refuted that placement and genus Geocerthia was created for it.

The striated earthcreeper has two subspecies, the nominate G. s. serrana (Taczanowski, 1875) and G. s. huancavelicae (Morrison, ARG, 1938).

Description

The striated earchcreeper is 18 to 20.5 cm (7.1 to 8.1 in) long and weighs 41 to 52 g (1.4 to 1.8 oz). It is a large earthcreeper with long slightly decurved bill. The sexes' plumages are alike. Adults of the nominate subspecies have a whitish buff supercilium. Their crown is dusky brown with narrow whitish buff streaks on the forehead. The sides of their neck and their back are dark brown; the neck has thin whitish buff streaks. Their rump is dark rufous brown. Their tail is dull rufous; sometimes the central pair of feathers are browner. Their wings are rufous. Their throat is dirty white with some dusky scaling and their breast and belly dull gray brown or olive brown with whitish buff streaks. Their iris is any of several dark shades of brown, their bill black or horn, and their legs and feet gray or brown. Juveniles have a scaled appearance on their breast and faint bars on their upper belly. Subspecies G. s. huancavelicae has much darker upperparts than the nominate, and darker and grayer underparts with little warm brown.

Distribution and habitat

The nominate subspecies of the striated earthcreeper is found in the Andes of northern and central Peru from the Department of Cajamarca south to the departments of Lima and Junín. Subspecies G. s. huancavelicae is found only in the southern Peruvian Andes of the Department of Huancavelica.

The striated earthcreeper inhabits areas of denser woody vegetation than most other earthcreepers. It mostly occurs in arid montane scrublands, on rocky slopes with bushes, and in Polylepis woodlands. In elevation it mostly ranges between 3,000 and 4,600 m (9,800 and 15,100 ft) but occurs locally below that.

Behavior

Movement

The striated earthcreeper is a year-round resident throughout its range.

Feeding

Little is known about the striated earthcreeper's diet though arthropods appear to be its major component. It typically forages singly or in pairs. It does most of its foraging on the ground by probing, gleaning, and flicking aside leaf litter. In Polylepis woodlands it also probes bark crevices for prey.

Breeding

Little is known about the striated earthcreeper's breeding biology. Its breeding season appears to span at least October to January. Only one nest has been described; it was in a burrow in a pebbly earth bank. The species has also nested in adobe walls.

Vocalization

One publication described the striated earthcreeper's song as "a harsh slowing trill introduced by 3 notes, the 1st longest, keep kip kip trrrrrrrrr-r-r r, lasting c. 4 s" and its call as "a single, drawn-out, somewhat wheezy weeeee". Another describes the song as "a dry accelerating-decelerating trill: tp tp tp trr'r'r'r'r'r'e'e'e'e'e'r'r" and the call as "a scratchy djer-djer-djer-djer-djree".

Status

The IUCN has assessed the striated earthcreeper as being of Least Concern. It has a large range, and though its population size is not known it is believed to be stable. No immediate threats have been identified. "Human activity has little direct effect on the Striated Earthcreeper, other than the local effects of habitat destruction, such as from overgrazing."

References

1. ^ BirdLife International (2018). "Striated Earthcreeper Geocerthia serrana". IUCN Red List of Threatened Species. 2018: e.T22702054A130272551. doi:10.2305/IUCN.UK.2018-2.RLTS.T22702054A130272551.en. Retrieved 24 August 2023.
2. Gill, Frank; Donsker, David; Rasmussen, Pamela, eds. (July 2023). "Ovenbirds, woodcreepers". IOC World Bird List. v 13.2. Retrieved July 31, 2023.
3. Chesser, R. T., S. C. Claramunt, E. Derryberry, & R. T. Brumfield (2009). Geocerthia, a new genus of terrestrial ovenbird (Aves: Passeriformes: Furnariidae). Zootaxa 2213: 64-68.
4. Fjeldså, J., M. Irestedt, K.A. Jonsson, J.I. Ohlson, and P.G.P. Ericson. 2007. Phylogeny of the ovenbird genus Upucerthia: a case of independent adaptations for terrestrial life. Zoologica Scripta 36: 133–141.
5. ^ Schulenberg, T. S. and T. Johnson (2020). Striated Earthcreeper (Geocerthia serrana), version 1.0. In Birds of the World (T. S. Schulenberg, Editor). Cornell Lab of Ornithology, Ithaca, NY, USA. https://doi.org/10.2173/bow.strear1.01 retrieved August 24, 2023
6. ^ Fjeldså, J., and N. Krabbe (1990). Birds of the High Andes: A Manual to the Birds of the Temperate Zone of the Andes and Patagonia, South America. Zoological Museum, University of Copenhagen and Apollo Books, Copenhagen and Svendborg, Denmark.
7. Vuilleumier, F. (1980). Notes. Pp. 333-342 in: Vaurie, C. (1980). Taxonomy and Geographical Distribution of the Furnariidae (Aves, Passeriformes). Bulletin of the American Museum of Natural History 166(1), New York.
8. Schulenberg, T. S., D. F. Stotz, D. F. Lane, J. P. O’Neill, and T. A. Parker III. 2007. Birds of Peru. Princeton University Press, Princeton, New Jersey.

v t e Genera of passerines and their extinct allies
Kingdom: Animalia Phylum: Chordata Class: Aves Clade: Psittacopasseres Order: Passeriformes
Passeriformes incertae sedis †Corvitalusoides †Jamna †Winnicavis †Yunnanus Acanthisitti Acanthisittidae Acanthisitta †Dendroscansor †Kuiornis †Pachyplichas †Traversia Xenicus Eupasseres Tyranni †Crosnoornis †Wieslochia Eurylaimides Calyptomenidae Calyptomena Smithornis Eurylaimidae Corydon Cymbirhynchus Eurylaimus Psarisomus Pseudocalyptomena Sarcophanops Serilophus Philepittidae Neodrepanis Philepitta Pittidae Erythropitta Hydrornis Pitta Sapayoidae Sapayoa Tyrannides See below ↓ Passeri See below ↓
Tyrannides Conopophagidae Cephalopterus Conopophaga Pittasoma Cotingidae Ampelioides Ampelion Carpodectes Carpornis Conioptilon Cotinga Doliornis Gymnoderus Haematoderus Lipaugus Querula Perissocephalus Phibalura Phoenicircus Phytotoma Pipreola Porphyrolaema Procnias Pyroderus Rupicola Snowornis Xipholena Zaratornis Formicariidae Chamaeza Formicarius Furnariidae Berlepschia †Pseudoseisuropsis Sclerurinae Geositta Sclerurus Dendrocolaptinae Dendrocolaptini Campylorhamphus Dendrexetastes Dendrocolaptes Dendroplex Drymornis Drymotoxeres Glyphorynchus Hylexetastes Lepidocolaptes Nasica Xiphocolaptes Xiphorhynchus Sittasomini Certhiasomus Dendrocincla Deconychura Sittasomus Furnariinae Xenops Pygarrhichini Microxenops Ochetorhynchus Pygarrhichas Furnariini Cinclodes Furnarius Geocerthia Limnornis Lochmias Phleocryptes Premnornis Pseudocolaptes Tarphonomus Upucerthia Philydorini Anabacerthia Anabazenops Ancistrops Automolus Cichlocolaptes Clibanornis Dendroma Heliobletus Megaxenops Philydor Syndactyla Thripadectes Synallaxini Acrobatornis Anumbius Aphrastura Asthenes Certhiaxis Coryphistera Cranioleuca Hellmayrea Leptasthenura Limnoctites Margarornis Mazaria Metopothrix Phacellodomus Premnoplex Pseudasthenes Pseudoseisura Roraimia Schoeniophylax Siptornis Spartonoica Sylviorthorhynchus Synallaxis Thripophaga Xenerpestes Grallariidae Cryptopezus Grallaria Grallaricula Hylopezus Myrmothera Melanopareiidae Melanopareia Pipridae Ceratopipra Chiroxiphia Chloropipo Corapipo Cryptopipo Heterocercus Ilicura Lepidothrix Machaeropterus Manacus Masius Neopelma Pipra Pseudopipra Tyranneutes Xenopipo Rhinocryptidae Acropternis Eleoscytalopus Eugralla Liosceles Merulaxis Myornis Psilorhamphus Pteroptochos Rhinocrypta Scelorchilus Scytalopus Teledromas Thamnophilidae Euchrepomidinae Euchrepomis Myrmornithinae Myrmornis Pygiptila Thamnistes Thamnophilinae Formicivorini Formicivora Myrmochanes Myrmotherula Terenura Microrhopiini Ammonastes Aprositornis Clytoctantes Epinecrophylla Microrhopias Myrmophylax Myrmorchilus Neoctantes Pithyini Cercomacra Cercomacroides Drymophila Gymnopithys Hypocnemis Oneillornis Phaenostictus Phlegopsis Pithys Rhegmatorhina Sciaphylax Willisornis Pyriglenini Akletos Ampelornis Gymnocichla Hafferia Hylophylax Hypocnemoides Myrmeciza Myrmelastes Myrmoborus Myrmoderus Percnostola Poliocrania Pyriglena Rhopornis Sclateria Sipia Thamnophilini Batara Biatas Cymbilaimus Dichrozona Dysithamnus Frederickena Herpsilochmus Hypoedaleus Isleria Mackenziaena Megastictus Radinopsyche Rhopias Sakesphoroides Sakesphorus Taraba Thamnomanes Thamnophilus Xenornis Tityridae Iodopleura Laniisoma Laniocera Myiobius Onychorhynchus Oxyruncus Pachyramphus Schiffornis Terenotriccus Tityra Xenopsaris Tyrannidae Agriornis Alectrurus Anairetes Aphanotriccus Arundinicola Atalotriccus Attila Calyptura Camptostoma Capsiempis Casiornis Cnemarchus Cnemotriccus Cnipodectes Colonia Colorhamphus Conopias Contopus Corythopis Culicivora Elaenia Empidonax Empidonomus Euscarthmus Fluvicola Griseotyrannus Gubernetes Guyramemua Hemitriccus Heteroxolmis Hirundinea Hymenops Inezia Knipolegus Lathrotriccus Legatus Lessonia Leptopogon Lophotriccus Machetornis Mecocerculus Megarynchus Mionectes Mitrephanes Muscigralla Muscipipra Muscisaxicola Myiarchus Myiodynastes Myiopagis Myiophobus Myiornis Myiotheretes Myiotriccus Myiozetetes Nengetus Neopipo Neoxolmis Nephelomyias Nesotriccus Ochthoeca Ochthornis Oncostoma Ornithion Phelpsia Philohydor Phyllomyias Phylloscartes Piprites Pitangus Platyrinchus Poecilotriccus Pogonotriccus Polystictus Pseudelaenia Pseudocolopteryx Pseudotriccus Pyrocephalus Pyrope Pyrrhomyias Ramphotrigon Rhynchocyclus Rhytipterna Satrapa Sayornis Serpophaga Silvicultrix Sirystes Stigmatura Sublegatus Suiriri Syrtidicola Tachuris Taeniotriccus Todirostrum Tolmomyias Tumbezia Tyrannopsis Tyrannulus Tyrannus Uromyias Xenotriccus Xolmis Zimmerius
Passeri †Resoviaornis Acanthizidae Acanthiza Acanthornis Aethomyias Aphelocephala Calamanthus Gerygone Hylacola Neosericornis Oreoscopus Origma Pachycare Pycnoptilus Pyrrholaemus Sericornis Smicrornis Atrichornithidae Atrichornis Callaeidae Callaeas †Heteralocha Philesturnus Climacteridae Climacteris Cormobates Cnemophilidae Cnemophilus Loboparadisea Dasyornithidae Dasyornis Maluridae Amytornithinae Amytornis Malurinae Malurini Chenorhamphus Clytomyias Malurus Sipodotus Stipiturini Stipiturus Melanocharitidae Melanocharis Oedistoma Rhamphocharis Toxorhamphus Meliphagidae Acanthagenys Acanthorhynchus Anthochaera Anthornis Ashbyia Bolemoreus Caligavis Certhionyx Cissomela Conopophila Entomyzon Epthianura Foulehaio Gavicalis Gliciphila Glycichaera Glycifohia Grantiella Guadalcanaria Gymnomyza Lichenostomus Lichmera Macgregoria Manorina Meliarchus Melidectes Melilestes Melionyx Meliphacator Meliphaga Melipotes Melithreptus Melitograis Microptilotis Myza Myzomela Nesoptilotis Oreornis Plectorhyncha Philemon Phylidonyris Ptiloprora Ptilotula Prosthemadera Purnella Pycnopygius Ramsayornis Stomiopera Stresemannia Sugomel Territornis Timeliopsis Trichodere Vosea Xanthotis Menuridae Menura Notiomystidae Notiomystis Orthonychidae Orthonyx †Palaeoscinidae Palaeoscinis Pardalotidae Pardalotus Pomatostomidae Garritornis Pomatostomus Ptilonorhynchidae Ailuroedus Amblyornis Archboldia Chlamydera Prionodura Ptilonorhynchus Scenopoeetes †Sericuloides Sericulus Corvides See Corvides Passerida See Passerida

• IUCN Red List least concern species
• Upucerthia
• Birds of the Puna grassland
• Endemic birds of Peru
• Birds described in 1875
• Taxa named by Władysław Taczanowski