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Photo Essay: Green-rumped Parrotlets from Egg to Adult

10,000 Birds

Green-rumped Parrotlets: from egg to adult Text and photographs copyright Nick Sly (except Rae Okawa where indicated) and are used with his permission. Getting intimate with a species over the course of the breeding cycle is one of the more rewarding aspects of birding, and field research too.

Eggs 267
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Egg Dumping by the Seaside

10,000 Birds

13 different seabird species, chief among them Common Eider and (Eurasian) Oystercatcher , stand accused of egg dumping or laying their eggs in other birds’ nests. Actually, the act seems less nefarious than oblivious since most incidents place eggs in the nests of predators!

Eggs 156
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Feral Cats Are An Invasive Species in North America (and elsewhere)

10,000 Birds

Also, feral Cats on islands seem to be a serious problem, causing the extirpation of some indigenous species. A hungry feral Cat in Minnesota goes and finds new prey in an area it previously had not explored, leaving the last few of one or another bird species alone for a while. They are invasive species. Plus, Coyotes eat Cats.

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Invasive species in Australia

10,000 Birds

In Australia we definitely have our fair share of invasive species and the main problem is that we are such a huge land mass with such a small population. The population of Australia is concentrated mainly around the city areas along the coast and many invasive species have been able to spread with ease.

Australia 157
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Africa’s endangered species

10,000 Birds

More than 150 bird species are known to have become extinct over the past 500 years, and many more are estimated to have been driven to extinction before they became known to science. The Gray Crowned-Crane is a new addition to the list of the world’s Endangered species, creeping up a category from Vulnerable.

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Banded Semipalmated Sandpipers at Big Egg Marsh, Queens, New York

10,000 Birds

One of my regular stops in late May and early June is Big Egg Marsh, a wonderful salt marsh just a short distance south of the much-more-famous Jamaica Bay Wildlife Refuge. It is a great spot for Horseshoe Crabs to spawn and lay eggs so it is no wonder that shorebirds congregate to eat those eggs. Eh, Semipalmated Sandpipers.

Eggs 144
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Grallards: New Zealand’s Next Extinction or Newest Species?

10,000 Birds

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.

Species 165