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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. How efficient. How surprising.

Birds 162
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Birding Shanghai in September 2022

10,000 Birds

The bird “spent five months on Mindoro Island in the Philippines during the non-breeding season and migrated through Taiwan, the Chinese east coast, and the Korean peninsula” and on to the Russian Far East (indicating a certain lack of solidarity with Ukraine). This is not really an option at Nanhui though. The female.

China 172
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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.

Birds 147