Hollow tree used by nesting Ivory-billed Woodcreeper. 
Social Flycatcher (Vermilion-crowned Flycatcher, 
B; Giraud’s Flycatcher, D), Mviozetetes similis 
(M. texensis , D) L 
Great Kiskadee (Derby Flycatcher, D), Pitangus 
sulphuratus L 
Brown-crested Flycatcher (Mexican Flycatcher, 
D; Wied’s Flycatcher, E), Myiarchus 
tyrannulus L 
Dusky-capped Flycatcher (Olivaceous Flycatcher, 
DE), Mviarchus tuberculifer (M. lawrenceii , 
D) LTCPO 
Greater Pewee (Coues’ Flycatcher, DE), Contopus 
pert in ax CP 
Least Flycatcher, Empidonax minimus 
Gray Flycatcher, Empidonax wrightii 
{Empidonax griseus, B) 
Western Flycatcher, Empidonax difficilis O 
(Empidonax flycatcher species 2 O 
White-throated Flycatcher, Empidonax 
albigularis 
Tufted Flycatcher, Mitrephanes phaeocercus CP 
2 Most sources seem to agree that the Empidonax fly¬ 
catcher species most likely to be encountered in southern 
Tamaulipas in winter are: Yellow-bellied Flycatcher, 
Empidonax flaviventris; Least Flycatcher, E. minimus ; 
Hammond’s Flycatcher, E. hammondii; Wright’s 
(Dusky, E) Flycatcher, E. oberholseri (E. wrightii, B); 
Gray Flycatcher, E. wrightii {E. griseus, B); Western 
Flycatcher. E. difficilis. 
Northern Beardless Tyrannulet (Northern 
Beardless Flycatcher, B; Beardless Flycatcher, 
DE), Camptostoma imberbe L 
Gray-breasted Martin, Progne chalybea L* 
Barn Swallow, Hi run do rustic a {H. r. 
erythrogaster , B) O* 
Rough-winged Swallow, Stelgidopteryx ruficollis 
{$. serripennis , D) L 
Tree Swallow, Iridoprocne bicolor (Tachycineta 
bicolor , P) 
Common Raven (American Raven, D), Corvus 
corax ( C . sinuatus , D) O* 
Mexican Crow (Fish Crow, B; Tamaulipas Crow, 
D), Corvus imparatus (C. ossifragus imparatus , 
B) L 
Plain-tailed Brown Jay (Brown Jay, DEP), 
Psilorhinus mono LT 
Green Jay, Cvanocorax vncas {Xanthoura yncas , 
B; X. luxuosa, D) ‘ ‘ LTC 
Gray-breasted Jay (Mexican Jay, DE), 
Aphelocoma ultramarina PO 
Black-crested Titmouse, Parus atricristatus L 
Bridled Titmouse, Parus wollweberi O* 
White-breasted Nuthatch, Sitta carolinensis O* 
Carolina Wren, Th ryot horns ludovicianus T 
Spot-breasted Wren (Spotted-breasted Wren, 
DE), Thryothorus maculipectus (T. 
rutilus microstictus, B) LTC 
Northern House-Wren, Troglodytes aedon 
Southern House-Wren (Tropical House Wren, E), 
Troglodytes musculus 3 , PO* 
Brown-throated Wren (Brown-throated House- 
Wren, D), Troglodytes brunneicollis (included 
in Northern House-Wren, EP) PO* 
White-bellied Wren, Uropsila leucogastra L 
Rock Wren, Salpinctes obsoletus O 
Canyon Wren (Canon Wren, D), Catherpes 
mexicanus TCPO 
Long-billed Thrasher, Toxostoma longirostre LTC 
Blue Mockingbird (Mexican Blue-Mockingbird, 
D), Melanotis caerulescens TCP 
Gray Catbird (Northern Catbird, D) Dumetella 
carolinensis 
Common Mockingbird (Northern Mockingbird, 
DEP), Mimus polyglottos L 
American Robin, Turdus migratorius 
White-throated Robin, Turdus assimilis {T. 
albicollis , E) TCP 
Qay-colored Robin (Gray’s Robin, D), Turdus 
grayi 4 LTCP 
Brown-backed Solitaire, Myadestes obscurus TCP 
Hermit Thrush, Hylocichla guttata (Catharus 
guttatus, P) 4 
Swainson’s or Olive-backed Thrush (Swainson 
Thrush, B; Olive-backed Thrush, D), 
Hylocichla ustulata 
3 Status of Southern House Wren in this region is not 
clear. It is easily confused with Northern House Wren 
and Brown-throated Wren. 
4 While the Hermit Thrush in the common winter vis¬ 
itant, Swainson’s Thrush, Hylocichla ustulata , is a 
possibility. 
8 
American Birds, February 1974 
