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Birding Shanghai in June 2023

10,000 Birds

In the slightly frighteningly named journal “Science of The Total Environment”, there is a paper on organochlorine compounds in Purple Heron eggs nesting in sites located around a chloralkali plant (Ebro River). Summary result: relevant chemicals emitted by the plant can be found in the eggs.

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Birding Chongming Island in summer

10,000 Birds

According to the HBW, when breeding, male birds do most of the incubation and parenting while females often leave the nest up to one week before the eggs hatch. According to Couzens, after laying the eggs, females sometimes immediately abandon their first mate and pair up with another male. But maybe that is actually a good thing.

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Birding Shanghai in July 2022

10,000 Birds

I have written about the interesting sex life of these jacanas a few times already (short version: female mates with male, lays a bunch of eggs for him to incubate and raise the chicks, leaves him, finds another male, repeat). Apparently, after a male first mates with a female, he throws out the first one or two eggs she lays in their nest.

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Collaborative List – February 2018

10,000 Birds

Jamaica Bay, Big Egg Marsh. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Cattle Egret – Bubulcus ibis. Hopland Research and Extension Center (restricted access). 13 Jan 2018.

2018 100
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Collaborative List – May 2018

10,000 Birds

Jamaica Bay, Big Egg Marsh. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Cattle Egret – Bubulcus ibis. Hopland Research and Extension Center (restricted access). 13 Jan 2018.

2018 100
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Collaborative List – March 2018

10,000 Birds

Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). Mark Hatfield Marine Science Center and Estuary Trail. Mark Hatfield Marine Science Center and Estuary Trail. Jamaica Bay, Big Egg Marsh.

2018 100
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Collaborative List – August 2017

10,000 Birds

Cattle Egret – Bubulcus ibis. Eastern Egg Rock. Mark Hatfield Marine Science Center and Estuary Trail. Eastern Egg Rock. Eastern Egg Rock. Forestry Research Institute of Malaysia. Forestry Research Institute of Malaysia. Airport Mangroves. 01 Jan 2017. Reddish Egret – Egretta rufescens.

2017 100