Image from the Biodiversity Heritage Library.
Contributed by Museum of Vertebrate Zoology, University of California, Berkeley.
| www.biodiversitylibrary.org
Transcription
Banks
1961
Albino
Calyptra anna
2.
Mar. 29 Contra Costa
El Cerrito, Alameda Co., Calif.
Chased by a Rufus. It disappeared for about 5 min.
than returned & perched in a thicket. Don W.
shot it, about 11:35. Description follows:
Weight 4.0gm. Bill dark, short, broad at base.
Feet pink with black douting. Eye black.
Crown nearly pure white, but occasional green spots
& barules near the ends of many of the crown
feathers. Anterior superciliary region loses with
buffy tips to feathers. Back feathers mainly white,
with greenish on some bars near feather tips -
back is considerably darker than head. Upper tail
covets similar to back, but darker, with dark
shafts. Rectix 1-1 - distal 1/2 of shaft dark; distal
1/3 of web greenish, iridescent to slight degree.
Narrow band of light at tip. Rectix 2-2 -
distal 1/2 of shaft dark, distal 1/3 of web green,
iridescent. Band on tip of feathers light flesh
or pinkish. 3-3 - as 2-2, slightly more green.
4-4, lighter than 3:2, more extensive pink,
extending in on inner vane for 1/4". 5-5, distal
1/4 light, pinkish refons, esp. outer vane, next 1/4
greenish, proximal 1/2 white. Tail from below
similar, but lighter. Under tail coverts pinkish buff
for distal 1/2, proximally white. Several of these
feathers have green spots centrally situated on the
distal half of the feather. Throat feathers white based
with dark centers, esp. a spot distally. Edges of