The following miscellaneous observations may be of interest.  The first hummingbird I saw using my newly-installed feeder, on 3 September, was a Long-billed Starthroat.  It has returned several times since, though Rufous-tailed now dominate.  On one occasion the gorget showed clear lateral projections, befitting the name Starthroat better than the illustration in Angehr.  On 12 October I saw a male Purple-throated Mountain-gem  at Monte Azul, at about 1000m.  Blue cap, purple gorget and white post-ocular stripe were all clear in direct sunlight.  This extends the range stated by Angehr a little to the east. On 9 October, at Valle Bonito, five small birds foraging on or near the ground took to the trees on my approach, revealing yellow rumps and flanks.  I could not get a definitive sighting but Yellow-rumped Warbler would appear to be only possible identification, in which case they were a full month earlier than the period stated by Angehr.  Blackburnian Warbler have been more numerou...