Great news: New Jersey’s governor Corzine yesterday signed into law a moratorium on the harvest of Horseshoe Crabs in that state (press release here). This is great news for Red Knots – politicians have finally recognized the dire situation and put the needs of a species ahead of the seasonal income of a few fishermen. […]
A reprieve for Red Knots Read More »
Maybe I should change the name of this blog to “All about Redpolls”, but I’ve received a few photos that I wanted to pass along, making the point that “Greater” Common Redpoll is not just an eastern specialty. The AOU checklist and the BNA account report that this subspecies winters regularly from Labrador west to
Greater Redpoll photos Read More »
A new photo by Dan Berard shows what looks like an intermediate large redpoll, and should be added to the discussion in my previous post. photo copyright Dan Berard, used by permission – 7 Mar 2008, Millbury, MA Dan says both of these birds were about the same size and both were larger than the
Another large pale redpoll Read More »
Maybe we are just more aware and looking harder for “Greater” Common Redpolls (Carduelis flammea rostrata) this winter in Massachusetts, or maybe it’s really an exceptional winter, but there is no doubt that they have come south in significant numbers. I have seen them on a couple of visits to Dan Berard’s feeders in Millbury,
Redpoll investigation widens to include “Greater” Read More »
The decline of Red Knots from 1982 to 2006:data from Niles et al. 2007. Status of the Red Knot (Calidris canutus rufa) in the Western Hemisphere. USFWS report. The Red Knot and Horseshoe Crab story has been in the news in the last several weeks, with a major PBS documentary “Crash: A Tale of Two
The Red Knot’s troubles Read More »
Taking a break from redpoll identification: I’ve written an essay about the challenges faced by migrating birds, which appears in this month’s Green issue of Delta’s Sky magazine. You can read it here.
On conserving migratory birds Read More »
In considering the true status and distribution of Hoary Redpoll, I realized that I had overlooked one significant source of information – the Christmas Bird Count results. While Common Redpoll nests throughout the boreal forests across the continent, Hoary is virtually unknown as a breeder east of Hudson Bay (ignoring the “Hornemann’s” Hoaries in Greenland
Where do Hoary Redpolls winter? Read More »
[Major updates 25 Feb 2008, adding new information about the introduced Siberian populations] You might think that the words “intriguing” and “House Sparrow sightings” are mutually exclusive, but here’s a case where they go together! In October 2007 a flock of five House Sparrows showed up in the coastal village of Shishmaref in northwest Alaska.
House Sparrow – "New" for North America? Read More »
The question of age variation has come up repeatedly in redpoll discussions, so I finally tried to find an answer to the question of just how important age-related variation in plumage might be. And based on published studies the answer is … not very important. Seutin et al. (1992) studied redpolls at Churchill, Manitoba using
Redpoll age variation and ID Read More »
[edited 12 Feb 2008]From Texas comes the remarkable news of the discovery of an apparent White-crested Elaenia (Elaenia albiceps) found by Dan and Honey Jones on 9 Feb 2008. Photos, sound recordings, and ID discussion can be found at Martin Reid’s website and some great photos at Erik Breden’s website. The bird was found at
White-crested Elaenia – new for North America Read More »