GEOGRAPHICAL DISTRIBUTION OE THE GENUS CHELIDON.
1. U. u rb ica..........
2. C. cashniHoisis .
3. C. dasijpui
4. C. layopus
. C. albigena
6. C. nipalensis
Nearctic Regioi
■«— ► Migratory.
•*-!-* Bird of p
-^© -» llemains locally during the -wiutcr.
Transplanted.
XVintcr resident.
Neotropical Eegion.
A
o
Acclimatized.
Permanent rcsldait
Changing habitai,
Visitor.
Accidental visii«.
V Guest,
f Wanderer.
I ^ Karoly ]
[—[—j Generally ^nesting.
hj-p In colonies J
Palaarctic Region. Ethiopian Region, Indian Eegion,
Cold Temperate
Sub-HcgiOD.
Warm Temperate
Sub-Region.
Humid Province.' Arid Prorince.
f j • - I h
Eurasian
Sub-Region.
- I I I i l
ffl