Birds
File:Thamnophilus cryptoleucus - Castelnau's Antshrike.jpg

Castelnau's Antshrike

Castelnau's Antshrike

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Spotted
The Cryptic Antshrike is a subtle and elusive species, often difficult to distinguish from similar antshrikes without keen observation of its vocalizations. It inhabits the understory of humid forests.
Where to spot
Dense undergrowth of humid lowland rainforests, often in vine tangles or bamboo, across a restricted range in eastern Ecuador and northeastern Peru.
How to spot
Listen for its distinctive, accelerating 'whew-whew-whew' or 'tew-tew-tew' call. Scan the dense understory patiently, watching for subtle movements. Requires patience and often a local expert.
When to spot
Resident year-round. Most active in the early morning and late afternoon. Calls are crucial for its detection.
File:Thamnophilus cryptoleucus - Castelnau's Antshrike.jpg
File:Thamnophilus cryptoleucus - Castelnau's Antshrike (cropped).jpg
File:Thamnophilus cryptoleucus Castelnau's Antshrike (female); Benjamin Constant, Amazonas, Brazil.jpg
File:Thamnophilus cryptoleucus Castelnau's Antshrike (female); Benjamin Constant, Amazonas, Brazil (cropped).jpg
File:Thamnophilus cryptoleucus Castelnau's Antshrike (male); Benjamin Constant, Amazonas, Brazil.jpg
File:Thamnophilus cryptoleucus - Castelnau's Antshrike.jpg
Credits: Wikimedia Commons
File:Thamnophilus cryptoleucus - Castelnau's Antshrike (cropped).jpg
Credits: Wikimedia Commons
File:Thamnophilus cryptoleucus Castelnau's Antshrike (female); Benjamin Constant, Amazonas, Brazil.jpg
Credits: Wikimedia Commons
File:Thamnophilus cryptoleucus Castelnau's Antshrike (female); Benjamin Constant, Amazonas, Brazil (cropped).jpg
Credits: Wikimedia Commons
File:Thamnophilus cryptoleucus Castelnau's Antshrike (male); Benjamin Constant, Amazonas, Brazil.jpg
Credits: Wikimedia Commons
Its 'cryptic' name refers to its subtle plumage and its tendency to remain hidden in dense vegetation, making it a challenging species for identification.
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