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Birding Tengchong, Yunnan, China in 2017

10,000 Birds

Fortunately, in science, there is often a way to turn a defeat into a victory – in this case via the author just coming up with a new hypothesis, “if black eagles use the frequency or intensity of mobbing as a clue to locate nests, a lack of seasonal difference in mobbing behavior by drongos may be an evolutionary adaptive strategy.”

China 176
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Birding the Wolongshan area in June 2023

10,000 Birds

Indeed, most cuckoo eggs are accepted by the babax ( source ), although a small proportion of hosts reject cuckoo eggs and often boast about this capability when having a few too many drinks. Meaning: we did real science, Martens did not. ” Meaning: we did real science, Martens did not.

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Birding Shanghai in November 2022

10,000 Birds

Fortunately for the buntings, they seem to detect most cuckoo eggs smuggled in (75% in one study). A study found that for Plain Prinia , egg characteristics in a mainland China location with many cuckoos make it much easier to spot cuckoo eggs than in a Taiwan location with few cuckoos ( source ). Better safe than sorry.

Birds 197