Nilgiri Wood Pigeon
Columba elphinstonii
This pigeon appears dark grey and a black and white patterned patch made of white tipped stiff feathers on the back of the neck is distinctive. The mantle is chestnut. The male has a paler grey crown while the female has a darker grey crown with a pale throat. The most confusable other species is the mountain imperial pigeon but that species has paler underwing coverts. The feet and the base of the bill are red.
ID text from Wikipedia, CC BY-SA 4.0

Snow Pigeon
Columba leuconota
Snow pigeons have a blackish head contrasting with a white neck collar and white underparts shading into ashy on the abdomen. Their backs are brownish-grey with a white patch on the lower back. Their wings are pale grey with three brown bands. Their black tails have a clear white band in the middle which narrows and curve forward to reach the tip of the outermost tail features. Young birds have narrow, pale buff margins to the feathers of the upper parts and wings. The white of the underparts is sullied with buff.
ID text from Wikipedia, CC BY-SA 4.0
Where you might meet both
Learn this pair in the BeakBrain App
Photo and call practice. Coming soon to iPhone and Android.
Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Nilgiri Wood Pigeon and Snow Pigeon.