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St. Johns
Illustrated Checklist
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Native and Naturalized (347)
Exotic: Provisional (1)
Exotic: Escapee (11)
Hybrids (8)
- Muscovy Duck x Mallard (hybrid) Cairina moschata x Anas platyrhynchosLast observed by patricia kuzma sell on 27 Feb 2022
- Mallard x American Black Duck (hybrid) Anas platyrhynchos x rubripesLast observed by Gavin Adams on 22 Jan 2024
- Mallard x Mottled Duck (hybrid) Anas platyrhynchos x fulvigulaLast observed by William Hoeck on 25 Apr 2024
- Herring x Glaucous Gull (hybrid) Larus argentatus x hyperboreusLast observed by Scott Young on 9 Mar 2020
- Tricolored Heron x Snowy Egret (hybrid) Egretta tricolor x thulaLast observed by Sara M. Diaz on 23 May 2020
- Golden-winged x Blue-winged Warbler (hybrid) Vermivora chrysoptera x cyanopteraLast observed by Mike Charest on 12 Oct 2020
- Lawrence's Warbler (hybrid) Vermivora chrysoptera x cyanoptera (F2 backcross)Last observed by GTM NERR on 17 Sep 2019
- Lazuli x Indigo Bunting (hybrid) Passerina amoena x cyaneaLast observed by Alta Tanner on 16 Oct 2018
Additional Taxa (91)
- Yellow-billed/Black-billed Cuckoo Coccyzus americanus/erythropthalmusLast observed by Rex Rowan on 16 Oct 2023
- Ruby-throated/Black-chinned Hummingbird Archilochus colubris/alexandriLast observed by Robert Wallace on 20 Nov 2023
- Short-billed/Long-billed Dowitcher Limnodromus griseus/scolopaceusLast observed by John Trent on 22 Apr 2024
- Long-tailed/Parasitic Jaeger Stercorarius longicaudus/parasiticusLast observed by Michael Linz on 9 Nov 2016
- Parasitic/Pomarine Jaeger Stercorarius parasiticus/pomarinusLast observed by Sam Cooper on 6 Jan 2023
- Yellow-crowned/Black-crowned Night Heron Nycticorax nycticorax/Nyctanassa violaceaLast observed by c c on 22 Mar 2024
- Alder/Willow Flycatcher (Traill's Flycatcher) Empidonax alnorum/trailliiLast observed by Stephen Greenwood on 11 Oct 2021
- Tropical/Couch's Kingbird Tyrannus melancholicus/couchiiLast observed by Cynthia Elder on 4 Jun 2019
- Nelson's/Saltmarsh Sparrow (Sharp-tailed Sparrow) Ammospiza nelsoni/caudacutaLast observed by Alec and Dana on 9 Mar 2024
- Grasshopper/Henslow's Sparrow Ammodramus savannarum/Centronyx henslowiiLast observed by Ben Thesing on 18 Jan 2014
- Louisiana/Northern Waterthrush Parkesia motacilla/noveboracensisLast observed by Virginia Shelton on 17 Feb 2024