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

10,000 Birds

As she continued her monologue about these cats, the Wildcat cautiously walked in our direction, never taking its eyes off of us, stiff-legged, ears motionless, striped like a standard “tiger” domestic cat but entirely in grays. He also had tigers, cougars, and some other animals. That was one of his cats. Plus, Coyotes eat Cats.

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Birding Shanghai in October 2022

10,000 Birds

Of course, it is hard to resist looking at a paper titled “Host personality predicts cuckoo egg rejection in Daurian redstarts” Basically, the personality of a female redstart (bold or shy) predicts the responses to parasitic eggs – bold hosts are more likely to reject parasitic eggs.

Birds 272
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Birding Shanghai in September 2022

10,000 Birds

Chinese researchers have actually been able to identify individual Asian Stubtails on the basis of their songs ( source ). It seems that a lot of ornithological research is based on thinking about what makes sense from an evolutionary standpoint, and then checking whether this actually the case.

China 244
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Collaborative List – August 2017

10,000 Birds

Rufescent Tiger-Heron – Tigrisoma lineatum. Fasciated Tiger-Heron – Tigrisoma fasciatum. Bare-throated Tiger-Heron – Tigrisoma mexicanum. Eastern Egg Rock. Eastern Egg Rock. Eastern Egg Rock. Forestry Research Institute of Malaysia. Forestry Research Institute of Malaysia.

2017 100
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Collaborative List – July 2018

10,000 Birds

Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Fasciated Tiger-Heron – Tigrisoma fasciatum. Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). 28 May 2018.

2018 124
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Collaborative List – October 2018

10,000 Birds

Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Fasciated Tiger-Heron – Tigrisoma fasciatum. Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). 28 May 2018.

2018 113
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Collaborative list – September 2018

10,000 Birds

Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Jamaica Bay, Big Egg Marsh. Fasciated Tiger-Heron – Tigrisoma fasciatum. Hopland Research and Extension Center (restricted access). Hopland Research and Extension Center (restricted access). 28 May 2018.

2018 113