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
…
»
Animals
»
…
»
Vertebrates
»
…
»
Dinosaurs And Birds
»
…
»
Theropods
»
…
»
Birds
»
…
»
Perching Birds
»
…
Life
»
Cellular
»
Eukaryotes
»
Opisthokonts
»
Animals
»
Bilateria
»
Deuterostomes
»
Chordates
»
Vertebrates
»
Jawed Fish
»
Bony Fish
»
Lobe Finned Fishes
»
Terrestrial Vertebrates
»
Amniote
»
Reptiles
»
Diapsid
»
Archosauromorph
»
Archosaur
»
Dinosaurs And Birds
»
Saurischian
»
Theropods
»
Tetanuran Theropod
»
Coelurosaur
»
Maniraptoriformes
»
Maniraptoran
»
Birds
»
Ornithurae
»
Neornithes
»
Neognathae
»
Neoaves
»
landbirds
»
Perching Birds
»
Oscines
»
Passeroidea
»
Passerellidae
»
Aimophila
«
Rufous Crowned Sparrow
Aimophila ruficeps (Cassin 1852)
collect
overview
data
media
articles
maps
names
filter by attribute
show all
clutch/brood/litter size
life span
litters per year
mass
onset of fertility
prenatal development duration
AnAge
show all
AnAge
Delete- old US Species List
Environments EOL
IUCN Structured Data
Mexico Species List
North Atlantic Species List
North Pacific Species List
United States Species List
Wildfinder (WWF)
clutch/brood/litter size
AnAge
3
life span
AnAge
5.1 years
(max)
litters per year
AnAge
2 /year
mass
AnAge
18.8 g
(adult)
onset of fertility
AnAge
365 days
(female)
AnAge
365 days
(male)
prenatal development duration
AnAge
12 days