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Blog Birding #405

At Avian Hybrids, Jente Ottenburghs discusses the famous Haida Gwaii population of Northern Saw-whet Owl and whether it should really be considered a unique species.

More than one year ago (in January 2018 to be precise), I wrote a blog post about the evolutionary history of the Northern Saw-whet Owl (Aegolius acadicus). A genetic study [read more…]

Blog Birding #404

At Avian Hybrids, Jente Ottenburghs documents how populations of Red-necked Phalaropes who breed quite close to each other winter on opposites sides of the world.

An international team of scientists equipped several Red-necked Phalaropes from different populations with geolocators. The results showed two distinct migrations routes. Birds breeding in Scotland, Iceland and Greenland migrated to [read more…]

Blog Birding #403

Are you watching the last season of Game of Thrones? Nick Lund at Audubon writes about the birds of westeros and interviews the sound engineer who is responsible for making this fantasy world sound somewhat realistic.

Much of that consideration comes from the show’s supervising sound editor, Tim Kimmel, who has worked on [read more…]

Blog Birding #402

At Hakai Magazine, Phoebe Weston looks into how scientists actually count the many millions of bird crossig the Gulf of Mexico this time of year.

Over the next 18 days, from April 19 until May 7, more than one billion birds will attempt the perilous journey north over the Gulf of Mexico to reach their [read more…]

Blog Birding #401

Warblers that migrate less tend to sing pair duets more, the reasons for this are explored by Liam Mitchell at The AOS Pubs Blog.

We tested whether migrating and duetting are correlated in the evolutionary history of New World warblers. Essentially, we were looking to see if duetting and the absence of migration show [read more…]

Blog Birding #401

The week has been one for Bill Thompson III memories, and Sharon Stiteler of Birdchick adds hers.

I have so many special birding moments or stories that I tell friends that he was part of. He may not even be mentioned in those stories, but he was there experiencing them with me. He was [read more…]

Blog Birding #400

Birders in the northern part of North America are starting to see the arrival of spring in the form of Red-winged Blackbirds. Kent MacFarland of the Vermont Center for Ecostudies Blog celebrates their raucous return and what it means about the changing climate.

Getting her start in 1960, Kathleen Anderson recorded spring phenology on her [read more…]

Blog Birding #399

The population of the range-restricted Golden-cheeked Warbler has been increasing in recent years, but the potential loss of its Endangered Species status could incite conflicts with developers. At 10,000 Birds, Jason Crotty has more.

In 2014, FWS completed a five-year status review, concluding that continuing urbanization and associated habitat destruction and fragmentation still threatened the [read more…]

Blog Birding #399

At Audubon, Hannah Waters explores the wild world of Dark-eyed Junco subspecies.

But they aren’t separate species—at least, not yet. The regional varieties of junco will still mate and interbreed randomly wherever their ranges meet, which means they are all the same species. “It’s probably speciation in action,” says Ellen Ketterson, an Indiana University biologist [read more…]

Blog Birding #398

Kaeli Swift of Corvid Research considers the bird of many names, the Canada Jay.

On May 23rd, 2018 the American Ornithological Society announced that Perisoreus canadensis, the bird formerly known as the gray jay, would be officially recognized as the Canada jay. Although this change felt disruptive to some, for the folks spearheading the campaign, [read more…]