SUDAN BIRDS

nn /Bill red Quelea quelea, 647.
Za \Bill black or brown 21
f Bill larger; upper half of throat in
I male deep crimson, shading almost
21. < into black down the centre ... Quelea erylhrops, 648.
I Bill smaller; entire throat bright
|_ scarlet in male ... ... ... Quelea cardinalia, 649.
22.
/Nostrils exposed 23
\ Nostrils hidden by frontal feathers ... 24
r Tail short and rounded; inner
primary falling short of tip of wing
by more than length of tarsus;
23. J males with red on throat... ... Amadina fasciata, 663.
j Tail square; inner primary falling
short of tip of wing by length of
tarsus ; no red on plumage of male Pseudonigrita arnaudi, 622.
/ Second primary one of the longest ... 25
\ Second primary shorter than the fifth 28
f Tail fairly long and slightly graduated,
ar 1 with the central pair of feathers
°' | more elongated and pointed ... Euodice cardans, 661.
L Tail short and evenly rounded ... 26
["Outstretched feet extending beyond
„„ J the tail; culmen nearly straight ... Ortygospiza alricollis, 664.
| Outstretched feet not reaching to end
[_ of tail; culmen curved ... ... 27
f Entire head glossy black ; no bars on
arj J under tail-eoverts ... ... ... Amauresthes fringittoides, 660.
I Head bronze; under tail-coverts
[_ barred ... ... ... ... Spermestes cucullatus, 659.
f
Back and upper tail-coverts olive ;
breast grey, or mostly so ; no spots
nor bars ... ... ... ... Nesocharis capistrata, 680.
Upper tail-coverts never olive when
the breast is mostly grey and the
^ plumage unspotted ... ... 29
f First long primary entire, not
narrowed towards the end ... 30
oq J First long primary with the terminal
third narrow and generally distinctly
cut away on the inner
L margin 39
Upper tail-coverts blue; tail longer
than the wing and strongly
{ Upper tail-coverts never blue ... 31
graduated ... ... ... ... Urwgintims bengalus, 681.
f A crimson band through the eye in
„, I adult males ... ... ... ... 32
I No crimson band through eye ; rump
(_ red; no olive shade on mantle ... 35
f Upper parts distinctly barred ; bill of
one colour; head alike in both
sexes; red eye-band absent only
o2 J i n young birds 33
Upper parts uniform olive brown,
with the rump red; bill red, with
the culmen and keel black ; under
parts mostly yellow or orange red Estrilda subflava. 675.
86