ForumHelp in identifying the different Yellow-crowned (Yellow-fronted) Amazon Parrots (A ochrocephala)
| A. ochrocephala ochrocephala (nominate) | A. ochrocephala panamensis (Panama) | A. ochrocephala nattereri ( Natterer's) |
|
|---|---|---|---|
| COLOUR | Dark grass green, deepening to emerald | Jade green, wings darker than body. Wing feathers have yellowish tinge (not flight feathers) | Bright emerald green |
| FOREHEAD | Deep daffodil yellow, rounded over crown & often beyond eyes | Primrose yellow, coming to a point on crown | Daffodil yellow, tends to look squared between eyes to crown |
| HEAD FEATHERS | Emerald green | Jade green with blue wash over head, neck & cheeks | Bright emerald green |
| BACK OF NECK | Definite black edging to feathers distinct scalloping extending into back between wings | Slight grey edge to feathers giving a "mealy" look | Bright emerald green |
| CERE | Very dark to black | Horn to flesh coloured | Very dark bluish grey at outsides to dull pink in centre |
| NOSTRILS | Similar colour to cere with black hair-like feathers around | Black-ringed with yellowish hair-like feathers around | Black in pink/flesh part of cere |
| BEAK/Upper | Very dark to black with cherry-red spot rear centre when in good condition | Horn-coloured with variable dark streak and sometimes pale pink spot rear centre | Dark grey with light to flesh-coloured spot rear centre |
| BEAK/Lower | Very dark to black | Horn-coloured | Very dark grey |
| MOUTH & TONGUE | Black | Pink & grey | Dull pink & grey |
| BEND OF WING | Solid dark red extensive both sides of top of bend. | Solid bright red more extensive to front side of bend | Bright vermilion red |
| LEGS & FEET | Very dark grey with black points to scales | Light/dirty flesh-colour or light greyish green | Light grey green |
| TOENAILS | All black | Mostly flesh-coloured with odd nails tipped with black or all black | All black |
| GENERAL SHAPE | Stocky bold-looking bird | Substantial looking bird although some are quite small | Longer & sleeker built than nominate, more elegant; overall 'pretty' looking |
| VARIATIONS | Some birds have patches of red feathers behind the yellow on crown | Forehead - yellow not always coming to a distinct point. Some birds have yellow feathers around the eyes & inside legs | Insufficient specimens observed to list doubtful points |