Fauna
Bird

Black-and-white Warbler

Mniotilta varia

Also known as Black-and-white Creeper, Pied Warbler

Black-and-white warblers behave more like nuthatches than typical wood-warblers, creeping along tree trunks and large limbs to glean insects tucked deep inside bark crevices. Males sing a high-pitched song resembling a squeaky wheel while defending nesting territories in mature deciduous forests. These long-distance migrants traverse vast stretches of the Americas each year, often traveling individually or alongside mixed-species winter flocks.

MigratoryInsectivoreSongbird
—observations
—countries
—peak records
Least ConcernConservation statusIUCN Red List categoriesLCNTVUENCREWEXLeast ConcernRed List categories, explained →
Diet & preyCaterpillars, Spiders, Bark beetles
Predators
  • Sharp-shinned hawks
  • Domestic cats
  • Blue jays
ThreatsForest fragmentation and glass window collisions
HabitatsDeciduous and mixed forests
Life spanUp to 11 years
  1. FamilyParulidae
  2. SpeciesMniotilta varia
Range data is not available yet.
Interaction riskLow
  1. Low
  2. Moderate
  3. High
  4. Very high
Why interaction risk is low
Safe to observe at a normal distance.
Responsible observation
  • Song Identification: Listen for a high-pitched, squeaky song echoing through woodland trunks in spring.
  • Observing Behavior: Scan tree trunks and heavy lower branches rather than the outer canopy foliage.
  • Nesting Safety: Keep a respectful distance from cup nests tucked into leaf litter on the forest floor.
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