Catharus ustulatus swainsoni (Swainson’s Thrush (Olive-backed))
Bird Info: Group, Passeriformes, Turdidae (Thrushes and Allies)
Swainson’s Thrush – Wikipedia, the free encyclopedia
Swainson’s Thrush (Catharus ustulatus), also called Olive-backed Thrush, is … C. u. swainsoni, C. u. ustulatus and … Swainson’s Thrush – Catharus ustulatus – USGS Patuxent Bird …
en.wikipedia.org/wiki/Swainson%27s_Thrush
Swainson’s Thrush – Whatbird.com
Swainson’s Thrush: Medium-sized thrush (swainsoni), with … Catharus ustulatus Order … William Swainson, an English ornithologist, and is also called the Olive-backed Thrush.
whatbird.wbu.com/obj/750/_/Swainsons_Thrush.aspx
Swainson’s thrush: Definition from Answers.com
Swainson’s thrush n. See olive-backed thrush . [After … C. u. swainsoni, C. u. ustulatus and C. u … Birds and Birding; Swainson’s Thrush – Catharus ustulatus – USGS Patuxent Bird …
www.answers.com/topic/swainson-s-thrush
Conservation Assessment for Swainson’s Thrush ( Catharus ustulatus )
… ustulatus group) and olive-backed ( swainsoni group) * Common name: Swainson’s Thrush … Catharus ustulatus) 19 Figure 7. Annual population trend of Swainson’s Thrush from Breeding Bird …
www.fs.fed.us/r9/wildlife/tes/ca-overview/docs/Swainson%27s_Thrush_CA.pdf
Comprehensive Report Species – Catharus ustulatus
Catharus ustulatus – (Nuttall, 1840) Swainson’s Thrush … SWAINSONI (Olive-backed Thrush) and USTULATUS (Russet-backed Thrush … Breeding Bird Atlas of New …
www.natureserve.org/explorer/servlet/NatureServe?searchName=Catharus+ustulatus+
Swainson’s Thrush – Whatbird.com
Swainson’s Thrush: Medium-sized thrush (swainsoni), with dull olive-brown or … Catharus ustulatus … and is also called the Olive-backed Thrush. This …
identify.whatbird.com/obj/750/overview/Swainsons_Thrush.aspx
InfoNatura – Detailed Report
… Catharus ustulatus Authority: (Nuttall, 1840) English Common Name: Swainson’s Thrush … SWAINSONI (Olive-backed Thrush) and USTULATUS (Russet-backed … of migrant bird …
www.natureserve.org/infonatura/servlet/InfoNatura?searchName=Catharus+ustulatus
Arenal Observatory Lodge Costa Rica – The Activities – Bird List
… Buteo swainsoni: Swainson’s Hawk : Buteo albonotatus: Zone … Nightingale-Thrush : Catharus ustulatus: Swainson’s Thrush … throated Euphonia : Euphonia gouldi: Olive-backed …
www.arenalobservatorylodge.com/EN/activities/bird_list.phtml
The Birds of Eastern Ecuador, The Foothills and Lower Subtropics
… Deconychura longicauda connectens; Olive-backed … Catharus dryas maculatus; Swainson’s Thrush Catharus ustulatus swainsoni; Marañón … Erratum: on cut # 1 only 1 bird sings, not …
johnvmoorenaturerecordings.com/pubs/EasternEcuadorFoothills/main.htm
Costa Rica Birdwatching, Birding, Costa Rica Bird Watching Resort …
Buteo swainsoni – Swainson’s Hawk. Spizaetus ornatus – … Olive-backed Quail-Dove … Catharus ustulatus – Swainson’s Thrush. Turdus obsoletus – Pale-vented Thrush …
www.landsinlove.com/Birds.htm