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Collier
Illustrated Checklist
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Native and Naturalized (358)
Exotic: Provisional (4)
Exotic: Escapee (18)
Hybrids (3)
- Mallard x Mottled Duck (hybrid) Anas platyrhynchos x fulvigulaLast observed by Philip Edmundson on 14 Apr 2024
- Glossy x White-faced Ibis (hybrid) Plegadis falcinellus x chihiLast observed by Dick Murray on 5 May 2021
Additional Taxa (83)
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Tony Maceo on 24 Jan 2021
- moorhen/coot/gallinule sp. Gallinula/Fulica/Porphyrio sp.Last observed by Edwin Wilke on 29 Mar 2024
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by Chris Haddon on 8 Apr 2024
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Tom Marvel on 15 Mar 2024
- storm-petrel sp. (white-rumped) Oceanitidae/Hydrobatidae sp. (white-rumped)Last observed by Tom Marvel on 17 May 2022
- Cory's/Great Shearwater Calonectris diomedea/Ardenna gravisLast observed by Tom Marvel on 5 Dec 2017
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by Angus Wilson on 15 Apr 2024
- Sharp-shinned/Cooper's Hawk Accipiter striatus/cooperiiLast observed by frostioe Chen on 30 Mar 2024
- Red-shouldered/Broad-winged Hawk Buteo lineatus/platypterusLast observed by Bente Torvund on 2 Nov 2021
- diurnal raptor sp. Accipitriformes/Falconiformes sp.Last observed by Forrest Wickman on 23 Dec 2023
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Rookery Bay Research on 8 Oct 2023
- Bullock's/Baltimore Oriole Icterus bullockii/galbulaLast observed by Benjamin Griffith on 11 Feb 2012