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Like thunbergi but black cap in males, females like a dull thunbergi male ...
Like flava but head lighter gray, ears ...
Bright yellow with distinctive black
Passage migrant - the Spanish Yellow
I thought this was a Spanish Yellow
Very similar to the Blue-headed
Separated from the very similar Blue-headed ...
There are several sub-species of Yellow ...
the first pic shoes both the male and female bird
the male is
Differs from the very similar Blue-headed ...
Blue-grey head with white supercilium and ...
, with white wing bars. Breast and head of ...
of these were mixed in with a large flock of Blue-
Also known as Western Yellow
The only certainty is that this is a Yellow ...
genus. The breeding adult male is basically olive above and
above and yellow below. In other plumages, ...
This is a juvenile. There are several sub-species of
Small bird. Sparrow-like grey on back of
because this bird forms a cryptic species complex with the
-due blur on tail). Grey above, and white and
Identified by the extensive black hoof and all-
remiges, and bright yellow below and on ...
Males of this sub-species are easy to separate in breeding plumage with their ...
in Spain. It is the most compact, greenish and short tailed of the Spanish ...
These are all probably female Yellow
Slender predominantly yellow bird with ...
yellow breast in summer while in winter ...
