Animalia > Chordata > Aves > Charadriiformes > Laridae > Onychoprion > Onychoprion lunatus

Onychoprion lunatus (Spectacled Tern; Gray-backed Tern)

Synonyms: Onychoprion lunatus checklist; Sterna lunata

Wikipedia Abstract

The spectacled tern (Onychoprion lunatus), also known as the grey-backed tern, is a seabird in the tern family.
View Wikipedia Record: Onychoprion lunatus

EDGE Analysis

Uniqueness Scale: Similiar (0) 
2
 Unique (100)
Uniqueness & Vulnerability Scale: Similiar & Secure (0) 
17
 Unique & Vulnerable (100)
ED Score: 5.35461
EDGE Score: 1.84918
Learn more at EDGE of Existence programme

Attributes

Adult Weight [1]  132 grams
Birth Weight [1]  19 grams
Diet [2]  Carnivore (Invertebrates), Carnivore (Vertebrates), Piscivore
Diet - Ectothermic [2]  10 %
Diet - Fish [2]  70 %
Diet - Invertibrates [2]  20 %
Forages - Understory [2]  10 %
Forages - Water Surface [2]  30 %
Forages - Underwater [2]  60 %
Clutch Size [4]  1
Clutches / Year [3]  1
Fledging [3]  46 days
Incubation [4]  32 days
Maximum Longevity [1]  26 years
Migration [5]  Intraoceanic
Wing Span [4]  29 inches (.74 m)
Female Maturity [1]  5 years
Male Maturity [1]  5 years

Ecoregions

Biodiversity Hotspots

Name Location Endemic Species Website
East Melanesian Islands Papua New Guinea, Solomon Islands, Vanuatu No
Polynesia-Micronesia Fiji, Micronesia, Polynesia, Samoa, Tonga, United States No

Prey / Diet

Lactoria fornasini (shortspined cowfish)[6]
Moroteuthopsis longimana (Giant Warty Squid)[6]
Spratelloides delicatulus (White bait)[7]

Prey / Diet Overlap

Competing SpeciesCommon Prey Count
Anous minutus (Black Noddy)1

Range Map

External References

NatureServe Explorer

Citations

Attributes / relations provided by
♦ 1de Magalhaes, J. P., and Costa, J. (2009) A database of vertebrate longevity records and their relation to other life-history traits. Journal of Evolutionary Biology 22(8):1770-1774
♦ 2Hamish Wilman, Jonathan Belmaker, Jennifer Simpson, Carolina de la Rosa, Marcelo M. Rivadeneira, and Walter Jetz. 2014. EltonTraits 1.0: Species-level foraging attributes of the world's birds and mammals. Ecology 95:2027
♦ 3Nathan P. Myhrvold, Elita Baldridge, Benjamin Chan, Dhileep Sivam, Daniel L. Freeman, and S. K. Morgan Ernest. 2015. An amniote life-history database to perform comparative analyses with birds, mammals, and reptiles. Ecology 96:3109
♦ 4Riede, Klaus (2004) Global Register of Migratory Species - from Global to Regional Scales. Final Report of the R&D-Projekt 808 05 081. 330 pages + CD-ROM
♦ 5Myers, P., R. Espinosa, C. S. Parr, T. Jones, G. S. Hammond, and T. A. Dewey. 2006. The Animal Diversity Web (online). Accessed February 01, 2010 at animaldiversity.org
♦ 6Jorrit H. Poelen, James D. Simons and Chris J. Mungall. (2014). Global Biotic Interactions: An open infrastructure to share and analyze species-interaction datasets. Ecological Informatics.
♦ 7del Hoyo, J., Elliott, A., Sargatal, J., Christie, D.A. & de Juana, E. (eds.). Handbook of the Birds of the World Alive. Lynx Edicions, Barcelona.
Ecoregions provided by World Wide Fund For Nature (WWF). WildFinder: Online database of species distributions, ver. 01.06 Wildfinder Database
Biodiversity Hotspots provided by Critical Ecosystem Partnership Fund
Abstract provided by DBpedia licensed under a Creative Commons License
Species taxanomy provided by GBIF Secretariat (2022). GBIF Backbone Taxonomy. Checklist dataset https://doi.org/10.15468/39omei accessed via GBIF.org on 2023-06-13; License: CC BY 4.0