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Invasive Species Week Wrap-Up

10,000 Birds

One wonders how innocent the Spotted Owl finds the rampant range expansion of the Barred Owl. – Acclimatisation Societies of New Zealand – The Cattle Egret Expansion – Feral Cats Are An Invasive Species in North America (and elsewhere) – It’s a Myth – Isn’t It?

Species 160
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Duncan’s 2015 List

10,000 Birds

Cattle Egret ( Bubulcus ibis ); Chobe NP, Botswana, 1 January. Rock Dove, or Feral Pigeon, ( Columba livia ); Johannesburg Airport, South Africa, 4 January. STRIGIDAE (OWLS). Spotted Eagle-owl ( Bubo africanus ); Tembe Elephant Park, South Africa, 14 January. COLUMBIDAE (PIGEONS). Caprimulgidae (Nightjars).

2015 181
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Collaborative List ? May 2020

10,000 Birds

You may notice a few non-commital “sp” entries and/or a few domestic/feral/hybrid forms. Cattle Egret (Bubulcus ibis). Barn Owl (Tyto alba). Eurasian Scops-Owl (Otus scops). Tropical Screech-Owl (Megascops choliba). Great Horned Owl (Bubo virginianus). Little Owl (Athene noctua).

2020 153
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Collaborative list – December 2019

10,000 Birds

Cattle Egret – Bubulcus ibis. Great Horned Owl – Bubo virginianus. Central American Pygmy-Owl – Glaucidium griseiceps. Ferruginous Pygmy-Owl – Glaucidium brasilianum. Black-and-white Owl – Ciccaba nigrolineata. Black-and-white Owl – Ciccaba nigrolineata. 02 Dec 2019.

2019 173
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Duncan’s 2014 List

10,000 Birds

Cattle Egret ( Bubulcus ibis ); Lahad Datu, Borneo, 1 January. A mess of egrets in Kota Kinabalu (Great, Intermediate, Little and Cattle). Rock Dove, or Feral Pigeon, ( Columba livia ); Kota Kinabalu, Borneo, 2 January. STRIGIDAE (OWLS). ACCIPITRIDAE (HAWKS, EAGLES AND ALLIES). LARIDAE (GULLS AND TERNS).

2014 150