Arachnothera affinis

(Horsfield, 1821) · species

image placeholder — illustration coming later

Animalia/Chordata/Aves/Passeriformes/Nectariniidae/Arachnothera

At a glance

Occurrence records647

Data sources8

Biological traits23

DNA specimens1

eDNA detections1

Sources8 archives

Databases and archives Arachnothera affinis's data was compiled from.

WikipediaWikimedia Foundation8 languages↗

BioWikiNetmultilingual Wikipediamultilingual↗

GBIFGlobal Biodiversity Information Facility647 records↗

ENAEuropean Nucleotide Archive · EMBL-EBI1 eDNA detections↗

BOLD SystemsCentre for Biodiversity Genomics1 specimens↗

Open Tree of LifeOpenTreephylogeny backbone↗

WikidataWikimedia Foundationstructured facts↗

IOC World Bird ListIOCbird checklist↗

On this page5 sections

Every layer below draws on the sources above — open one to explore it, or use ← → to move between tabs.

NarrativeWikipediaarticle

Traits & measurements3 literature sources23 traits

Occurrence & distributionGBIF647 records

Environmental DNA1 datasets · 1 countries1 detections

DNA & barcodingBOLD1 specimens

01Narrative

The streaky-breasted spiderhunter (Arachnothera affinis) is a species of bird in the family Nectariniidae. It is found in Java and Bali. Its natural habitats are subtropical or tropical moist lowland forests and subtropical or tropical moist montane forests. It is sometimes considered conspecific with the grey-breasted spiderhunter.

No narrative description available for this taxon yet.

02Traits & measurements

SourcesEltonTraitsAVONETAmnioteDB

Size & morphology11

Beak depth5.2 mm

Beak length (culmen)40.5 mm

Beak length (nares)31.1 mm

Beak width5.7 mm

Body mass26.05 g

Hand-wing index19

Kipp's distance16.7 mm

Secondary length71.3 mm

Tail length54.2 mm

Tarsus length19 mm

Wing length87.3 mm

Life cycle & reproduction1

Litter size1.4

Diet & foraging7

Canopy50 %

Invertebrate60 %

Midhigh30 %

Nectar40 %

Trophic levelomnivore

Trophic nicheOmnivore

Understory20 %

Habitat & environment4

HabitatForest

Migration1.0

Primary lifestyleInsessorial

Range size349 980 km²

05DNA & barcoding1 specimens

A DNA barcode is a short, standardised stretch of genes that works like a fingerprint — enough to tell one species from another. Below is the molecular trace Arachnothera affinis has left across the world's sequence archives.

At a glance

DNA specimens1

BINs1

Marker genes1

eDNA detections1

Countries1

Marker genes sequenced

★ the standard DNA barcode for this group — the short region actually read to tell this species apart. The rest are extra genes sequenced along the way.

★COI-5P

animal barcode

08Occurrence & distribution

Record type647 records

Wild obs. + sensor517

Museum / vouchered130

Origin

Native44

Range

Area of Occupancy AOO608 km²

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

Coordinate accuracy79% within 1 km

≤100 m 7≤1 km 12≤10 km 5

24 georeferenced · 493 without coordinates

Open the mapobservation + sensor517

Museum / Voucheredphysical evidence

Backed by a physical specimen — a herbarium sheet, sample or voucher held in a collection. “Vouchered” means supported by material evidence, not just an observation.

Coordinate accuracy55% within 1 km

≤1 km 31≤10 km 7>10 km 18

56 georeferenced · 74 without coordinates

Open the institutions mapphysical evidence130

Wildobservation + sensor

Human sightings and records, or camera-trap / sensor detections — someone (or a device) saw or captured the species in the wild.

10Collections & institutions

Holding institutions13 of 15 geolocated

Institutions and collections holding physical, vouchered specimens of this species — click a row to fly to it on the map.

Institution	Specimens
Philadelphia, US	34
US	32
Cambridge, US	15
Washington, US	10
	9
Honolulu, US	7
Wuzhou, CN	5
Toronto, CA	4
Ann Arbor, US	3
Seattle, US	3
Copenhagen, DK	2
Ithaca, US	1
Ohio State University - Bird Division, Columbus, OH (OSUM)location not on record	1
Zografou, GR	1
Louisiana State University, Museum of Zoologylocation not on record	1

15 institutions · 128 of 130 vouchered records shown · 2 without an institution code

09Environmental DNA1 detections

Where the DNA of Arachnothera affinis was picked up in samples of water, soil or air — nobody saw the organism, only its DNA left behind. A trace is a clue that the species was near, not a confirmed sighting.

Signal

Detections DNA found1

Studies independent surveys1

Countries1

Signal confidence: weakweighed across independent studies, places & mapped detections

Where its DNA was found

0 of 1 detections have coordinates

Open the map1 country0

How strong is each trace?

DNA read depthRead counts were not reported for this species — the map shows presence only, not how strong each trace was.

Modelled climatemodelled

−15°Ctemperature across detection sites+40°C

Temperature median21.0 °C 21.0–21.0

Seasonal swing summer↔winter1.10 °C

Max temp (day)24.8 °C

Min temp (night)17.0 °C

Precipitation338 mm/mo

Air humidity64.6 %

Moisture balance208 mm/mo

Vapour deficit875 Pa

Wind speed1.20 m/s

Cloud cover69.9 %

CHELSA 1981–2010, ~9 km grid, at location & month of 1 detection point · median with p10–p90 · reflects where sampling happened, not only the true niche

How to read this: each dot is one detection of this species' DNA in an environmental sample. The confidence meter weighs how many independent studies and places back up the signal — one detection in one study is a hint; many across several studies is solid. Records dated before 2008 (when eDNA methods began) are treated as likely mislabeled and left off the map.

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