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- Common Redpoll - BirdForum Opus
Hoary Redpoll is larger and paler with shorter, thicker bill and usually more extensive thigh feathering Undertail coverts usually unstreaked Lesser Redpoll smaller, darker and more heavily streaked Some individuals not safely identified Distribution Breeds in the northern parts of the New and Old Worlds
- Redpolls or Linnets? - BirdForum
There are at least two other subspecies of Common Redpoll: Icelandic Redpoll = C f Islandica Greenland Redpoll = C f rostrata The fact that flammea is the most often encountered subspecies of Common Redpoll here in the UK, probably accounts for why the two names Mealy and Common Redpoll have become interchangeable However, the other two
- Question on Redpolls | BirdForum
Examination of genotypes at SNPs associated with redpoll morphology (Fig 2b) suggest that the inversion region primarily separates the hoary redpoll from both the common and lesser redpolls, while the additional associations with other genomic regions separate the lesser redpoll from both the hoary and common redpolls " cheers, James
- Redpoll Taxonomy - BirdForum
We found no structure among redpoll individuals in mtDNA haplotypes or microsatellite allele frequencies, and only marginal differences between redpoll taxa in analyses of molecular variance (AMOVAs) of predefined groups In contrast, the two twite subspecies constituted two well-supported monophyletic groups
- Redpoll sp - BirdForum
Arctic redpoll does not show such a large, triangular spot on the undertail coverts This can be verified on photographs from the breeding grounds and the main wintering grounds On the other hand, greater redpolls (especially adult males) with no spots on these feathers have been well documented
- Redpoll Help - BirdForum
The bird you saw will have been a Common Redpoll The name the birder used will have been a Mealy Redpoll, which is the name used before lesser and mealy were split and mealy renamed as common Hope that makes sense
- Redpoll - Leicestershire - Dec 3rd - BirdForum
Currently, three species are recognised: Lesser Redpoll, Common Redpoll and Arctic Redpoll www birdguides com At least I can be clearly sure that it is a 'Redpoll'!
- AviList taxonomic decisions relevant to British birders and . . . - BirdForum
With a stunning Hornemann's Arctic Redpoll adorning the front cover of this month's magazine, it truly guts me that this lump has been implemented, but I was interested by the latter part of his comment about 'Redpoll': - "Recent genetic data have found weak evidence for population structure despite morphological differences (which are not
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