This is Upucerthia jelskii, the plain-breasted earthcreeper:
This one is called Leptasthenura andicola, the andean tit-spinetail:
These two birds (look closely) are the always heard, not always seen, totoreros. In english, they are boringly know as wren-like rushbirds. In Latin, they are even more boringly known as Phleocryptes melanops:
![](https://blogger.googleusercontent.com/img/b/R29vZ2xl/AVvXsEgwQ8bdvXE6Q2Wb9JsW7QgziwEz0VpMRmd0UqwLpee3DsfSXP53QwzhG6bm_JOSIalcP_S2qOJK6snHzQ-_wnYWoN3o4wAlFod8kCV8oITzyTTxpZ8asRIJVLBL9j3LTv_6zs0KaJIkhyphenhyphenk/s320/Phleocryptes+melanops+-+Sector+Carata+-+Reserva+Lago+Titicaca+Peru.JPG)
This cool bird is a slender-billed miner, Geositta tenuirostris:
This cool bird is a slender-billed miner, Geositta tenuirostris:
Helpful hint: it's called a miner because it builds in tunel-like cavities to nest in.
Another miner, not a cool but important, the rather lark-like common miner, Geositta cunicularia: