2019 Breeding Experiments Species 
10,000 Birds
FEBRUARY 23, 2024
Sadly, they no longer breed in Algeria, while in Turkey no free-flying birds remain. (In Intriguingly, there are far more Bald Ibises in captivity than there are in the wild, for this is a bird that breeds readily in confinement. Such an intimate encounter with one of the world’s rarest birds was a memorable experience.
10,000 Birds
MARCH 1, 2024
Black-tailed godwits winter in large numbers on the estuaries of both Norfolk and Suffolk, and we know that nearly all these birds breed in Iceland. They are of the race islandica , a sub species of the nominate race, limosa. In breeding plumage islandica godwits develop a deeper red plumage than their limosa cousins.
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10,000 Birds
SEPTEMBER 8, 2023
An associated issue is that the Belize and Costa Rica guides share many of the same descriptions of species, written by Howell. Similarly, descriptions of species repeated across volumes do not lose their accuracy with each publication. Other species are splits and lumped and have had their names changed. Why are these issues?
10,000 Birds
MAY 7, 2019
So, for example, Essay #15, “Individual Variation,” uses Herring Gulls to introduce the concept that one species, even one species at a specific age, can vary widely in appearance. The Checklist is more than a taxonomic listing of species and chapter number and title; it also contains useful notes on each bird family.
10,000 Birds
JANUARY 3, 2019
eBird doesn’t offer such an option, so I used the second best: the species was observed in one month only. I counted them very roughly, but I do have a lot of experience estimating flocks. They do not build nests, but occupy old nests of Rooks and breed colonially among them. What qualifies a bird to be included in the top-5?
10,000 Birds
APRIL 2, 2019
I like observing them, reading about them, grappling with species and subspecies identification, and even—on a good day—talking about sparrow taxonomy. Peterson Reference Guide to Sparrows of North America covers 61 species of the New World sparrow family Passerellidae that breed in Canada, the United States, and northern Mexico.
10,000 Birds
NOVEMBER 3, 2020
I’ve been fortunate to see two Penguin species in the wild (African and Galapagos) and have dreamed of seeing more–maybe even all!–especially The goal of Around the World For Penguins is simple: Describe the 18 species of penguin and their breeding grounds “from the perspective of a traveller.”
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