Azores Chaffinch
Fringilla moreletti
The top and rear of the head and part of the mantle are bluish-grey, with the rest of the mantle being greenish; the wings and tail are black and white; the throat, cheeks, and chest are pink. Unlike other chaffinches, it often shows a pale supercilium above and behind the eye. The bill is grey with a dark tip and cutting edges. The legs and feet are dark pinkish-brown. The plumage of the females is duller, brown above and paler brown below, and with narrower white wing and tail markings.
ID text from Wikipedia, CC BY-SA 4.0
Brambling
Fringilla montifringilla
The brambling is similar in size and shape to a common chaffinch. Breeding-plumaged male bramblings are very distinctive, with a black head, dark upperparts, orange breast and white belly. Females and younger birds are less distinct, and more similar in appearance to some chaffinches.
ID text from Wikipedia, CC BY-SA 4.0

Where you might meet both
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Play today's Daily BirdPhotos and recordings are credited to their authors under the licence shown. Full profiles: Azores Chaffinch and Brambling.