Larus heermanni   Cassin, 1852

Heermann's gull
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No drawings available for Laridae.

Classification / Names Common names | Synonyms | CoL | ITIS | WoRMS

| Charadriiformes | Laridae

Environment: milieu / climate zone / depth range / distribution range Ökologie

.  Temperate

Verbreitung Länder | FAO Gebiete | Ecosystems | Vorkommen | Einführungen

Eastern Pacific and Western Atlantic.

Length at first maturity / Size / Gewicht / Alter

Maturity: Lm ?  range ? - ? cm Max length : 53.0 cm TL Männchen/unbestimmt; (Ref. 8812); max. veröff. Gewicht: 640.00 g (Ref. 356)

Kurzbeschreibung Morphologie

Culmen: 4.37 cm; wing: 34.7 cm.

Biologie     Fachlexikon (Englisch) (z.B. epibenthic)

Total Length: 46 to 53 cm; Wingspan: 117 to 124 cm (Ref. 8812). Coastal; <50km (Ref. 356). Use various behavioral methods to thermoregulate such as neck extension, panting and gaping, elevation of feathers and/or scapulars, feather fluffing, beak tucking under scapular, wing drooping, tail tilting, etc. Egg neglect, while parents forage, was observed; eggs left at night run the risk of chilling causing the embryo's heart to stop beating (Ref. 87784). Displays surface-plunging and dipping (Ref. 356).

Life cycle and mating behavior Geschlechtsreife | Fortpflanzung | Ablaichen | Eier | Fecundity | Larven

Hauptreferenz Referenzen | Koordinator | Partner

SAUP Database. 2006. (Ref. 356)

IUCN Rote Liste Status (Ref. 130435)

  Gefährdung zunehmend (NT) (D2); Date assessed: 28 August 2020

CITES Status (Ref. 108899)

Not Evaluated

CMS (Ref. 116361)

Not Evaluated

Bedrohung für Menschen

Nutzung durch Menschen


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Ökologie
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Namen
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Räuber
Fortpflanzung
Geschlechtsreife
Ablaichen
Fecundity
Eier
Eientwicklung
Alter/Größe
Wachstum
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Länge-Länge
Morphologie
Larven
Dichte
Referenzen
Mass conversion
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Internet Quellen

BHL | BOLD Systems | CISTI | DiscoverLife | FAO(Publication : search) | Fishipedia | GenBank (Genom, nucleotide) | GloBI | Gomexsi | Google Books | Google Scholar | Google | PubMed | Tree of Life | Wikipedia (Gehe zu, Suchen) | Zoological Record

Estimates based on models

Preferred temperature (Ref. 115969): 9.1 - 12.1, mean 10.3 (based on 156 cells).
Verwundbarkeit (Ref. 71543): Moderate vulnerability (41 of 100).
Preiskategorie (Ref. 80766): Unknown.