About
Education
Discuss
TraitBank
Sign In
Sign Up
Language
Deutsch
English
Español
français
italiano
Nederlands
Piemontèis
Português do Brasil
suomi
Türkçe
Čeština
Ελληνικά
македонски
Українська
العربية
简体中文
繁體中文
names in breadcrumbs
vernacular
scientific
About
Education
Discuss
TraitBank
Sign In
Sign Up
en
Deutsch
English
Español
français
italiano
Nederlands
Piemontèis
Português do Brasil
suomi
Türkçe
Čeština
Ελληνικά
македонски
Українська
العربية
简体中文
繁體中文
names in breadcrumbs
vernacular
scientific
Creatures
»
…
»
Animal
»
…
»
Vertebrates
»
…
»
Dinosaurs And Birds
»
…
»
Theropods
»
…
»
Birds
»
…
»
Perching Birds
»
…
»
Tyrant Flycatchers
»
…
Creatures
»
Cellular Organisms
»
Eukaryotes
»
Opisthokonts
»
Animal
»
Bilateria
»
Deuterostomes
»
Chordates
»
Vertebrates
»
Jawed Fish
»
Osteichthyes
»
Lobe Finned Fishes
»
Terrestrial Vertebrates
»
Amniotes
»
Reptiles
»
Diapsid
»
Archosauromorph
»
Archosaurs
»
Dinosaurs And Birds
»
Saurischia
»
Theropods
»
Tetanuran Theropod
»
Coelurosaur
»
Maniraptoriformes
»
Maniraptoran
»
Birds
»
Ornithurae
»
Neornithes
»
Neognaths
»
Neoaves
»
landbirds
»
Perching Birds
»
Suboscines
»
Tyrant Flycatchers
»
Phoebe
«
Black Phoebe
Sayornis nigricans (Swainson 1827)
collect
overview
data
media
articles
maps
names
Namigai et al 2014
show all
AnAge
Argentina Species List
Belize Species List
Bolivia Species List
Canada Species List
Cellularity and growth form
Colombia Species List
Costa Rica Species List
Cubo 2000
Dooling et al 2000
Ecuador Species List
El Salvador Species List
Fairbairn 2013
Gatesy and Middleton 1997
GBIF data coverage
GGBN data coverage
Global Biotic Interactions
Guatemala Species List
Hone et al 2013 avian data
iNaturalist data coverage
IUCN
Ladich and Popper 2004
Land and Fernald 1992
Mexico Species List
Mineralogy
Namigai et al 2014
Nicaragua Species List
North Pacific Species List
Panama Species List
Peru Species List
Sibly et al 2012
South Pacific Species List
TreatmentBank
United States Species List
Venezuela Species List
Wikipedia (inferred records)
Wildfinder (WWF)
Wright Et Al 2014
xeno canto America
Body symmetry
Namigai et al 2014
bilaterally symmetric
URI:
http://purl.obolibrary.org/obo/PATO_0001324
Definition:
being symmetric about a plane running from frontal end to caudal end (head to tail), and having nearly identical right and left halves
show all records