Eggs Sample Species 
10,000 Birds
JULY 24, 2014
The obvious choice was the Mallard , that plucky familiar northern hemisphere species that is the father of the even more familiar domesticated duck. In fact, as the species was quickly identified as as creating hybrids with Grey Ducks, the opinion was by the 1920s that the species shouldn’t be released further.
10,000 Birds
JULY 23, 2014
The northwestern spread of this non-native species made it to my yard a few years ago. The lightest shade of lavender coincides with a 0 – 2% frequency of sightings, the next darker shade 2 – 10%, the next 10 – 25%, the next 25 – 40% and the darkest (almost black) shade is a 40 – 100% occurrence of the species.
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10,000 Birds
JANUARY 29, 2015
Another species of Python, the African Python ( Python sebae ) has established a small population in the 2,877-acre Bird Drive Area (BDA) in South Florida. Photo Credit: Invasive and Exotic Species of North America (www.invasive.org). The invasive Burmese Python ( Python molurus ) is well established in the Florida Everglade.
10,000 Birds
JULY 25, 2014
It’s bad enough to be an invasive species — the term shows a major fall in public esteem from the days when acclimatization was the rage. But as a descriptor, ‘invasive species’ doesn’t have a patch on ‘noxious weed’ Call something a noxious weed and there’s no doubt where you stand on it.
10,000 Birds
APRIL 2, 2013
The core of the book are the Species Accounts, 190 accounts by 52 authors, some names that readers will easily recognize, others birders and ornithologists well-known in Pennsylvania. You can see the Species Account for Henslow’s Sparrow above, in the banner photo. The second page is the map page. Brauning and Andrew M.
10,000 Birds
DECEMBER 2, 2014
Did I dare dip my toe into this catalog of tantalizing species? Phillipps’ Field Guide (I’ll be using this shortened form of the title) covers 673 avian species, including 59 endemics, and 53 species that have not been documented yet for the area but which may show up in the next few years. Now, I’m not so sure.
10,000 Birds
JULY 18, 2022
This would have allowed you to summarize your experience in sentences such as “A total of 98 boluses regurgitated by 52 chicks aged 1 day to 11 days after hatching form the sample and are shown to contain 323 food items.” Women who like jacanas will probably also like Spotted Redshanks. But maybe that is actually a good thing.
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