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安裝中文字典英文字典辭典工具!
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- Redpoll - BirdForum Opus
Taxonomy The current Redpoll is comprised of the former species Common Redpoll, Lesser Redpoll, and Hoary Redpoll Arguments in favor of lumping included low levels of genetic differentiation combined with evidence of gene flow, occurrence in some areas of intermediate phenotypes, and lack of published reports of Assortative Mating Subspecies
- Redpoll sp - BirdForum
Hi all, Attached are three digiscoped images of a redpoll species photographed on Skye, Scotland in July of this year The extent of the red on this bird indicates that it is a male The worn plumage indicates that it is an adult still in its summer plumage This bird was part of a loose
- Redpolls or Linnets? - BirdForum
Hi I'm struggling a bit with identifying some birds feeding on niger seeds in our garden The wife and I have decided they are either Lesser Redpolls iwth some Common Redpolls ( whiter greyer look?) or Lesser Redpolls with Linnetts According to our bird DVD the Linnetts have white streaks
- Redpoll - Leicestershire - Dec 3rd - BirdForum
I know this must get asked constantly, but anyone want to comment on which variant this is? Seemed to be the same size as the goldfinches and the siskins it was with Picture was hard as the camera was confused by closer branches so very few obtained in anything like focus Thanks in advance!
- Redpoll or linnet? - BirdForum
Redpoll for me Note the black around the yellow bill, the white wing bar and the red poll that would only show on a summer male Linnet afaik
- Redpoll Taxonomy - BirdForum
The abstract states 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
- Is This A Leucistic Redpoll (Partial Albino)? | BirdForum
A lovely little bird The Greenland race of Hoary Redpoll, called Hornemann's Redpoll I think, is paler than nominate (southern) race Hoary, but should be at least 10% larger than a Hoary The female is the whitest of them all, so guess that could be your bird if its bigger than the others?
- 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
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