Breeding Eggs Sample Species 
10,000 Birds
APRIL 2, 2013
A breeding bird atlas is a special kind of book. For the nature lovers and birders who participate in breeding bird surveys, the atlas represents hours, often hundreds of hours, of volunteer time spent within a community of citizen scientists doing what they love, observing birds. So, what exactly does a breeding bird atlas contain?
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.
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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.
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.” It concludes that human activity influences the breeding activity of the lapwing. How efficient.
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. State and Federal Agencies feared that if these two large constrictor snakes are allowed to breed they would produce a hybrid super-python. Rock Python.
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 4, 2023
” Writing about owls means writing about roughly 250 species (I counted 245 on the 2022 Clements spreadsheet, but I might have missed a few, and we all know that each classification system is different). The chapters on courtship and breeding and roosting and migration are the longest, which isn’t surprising.
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