An interesting record of an Eastern (Common) Nightingale Luscinia (megarhynchos) golzii was recorded
nar Jubail in early May 2019. Eastern Nightingale is sometimes regarded as a
separate species from Common Nightingale and breeds in Eastern Turkey, Iran,
Turkmenistan, Armenia, Kazakhstan & Afghanistan and they winter mainly in
southern Africa.
Identification differences from Common Nightingale include:-
Pale fringes to the terials
Pale fringes to the greater coverts
Pale supercillium (often hard to see in the field)
Upperparts less rusty in tone (often greyish)
Paler underparts
Longer wing and tail lengths