Notes: Similar to
Chestnut-rumped Heathwren but more boldly patterned, with long clean white
brow; white tail tips, large clean white spot on outer primaries. Striking rufous
uppertail coverts. Female duller, more finely streaked. Ssp whitlocki very
similar to nominate cauta; macrorhynchus darker upperparts, breast
darker & very heavily streaked dark brown, undertail-coverts darker rufous-brown;
halmaturinus distinctive, w. dark back, reduced white in wing, & short tail.