Lark adaptation to survive dust- & sandstorms & cold:

Skylark Alauda arvensis nostrils loosely covered by thin black bristles which may have a more feather-like basis;

   North African Short-toed Lark Calandrella brachydactyla hermonensis Syn rubiginosa  have tufts covering nostrils only;

   Steppe Lesser Short-toed Lark Calandrella rufescens heinei  have two rows of tufts: one covering nostrils and one covering gape.

2019/01/1-Skylark-Alauda-a.arvensis-head-03012010-8311a-OostvoorneThe-Netherlands-c-Norman-Deans-van-Swelm.jpg
2019/01/2-Skylark-Alauda-arvensis-07112008-0581a-Rotterdam-c-Norman-Deans-van-Swelm.jpg
2019/01/3-Skylark-Alauda-arvensis-sandbathing-08102009-5141a-RotterdamThe-Netherlands-c-Norman-Deans-van-Swelm-1024×588.jpg
2019/01/4-Skylark-Alauda-arvensis-sandbathing-08102009-5145a-RotterdamThe-Netherlands-c-Norman-Deans-van-Swelm.jpg
2019/01/5-Skylark-Alauda-arvensis-sandbathing-08102009-5255a-RotterdamThe-Netherlands-c-Norman-Deans-van-Swelm-1024×558.jpg
2019/01/6-North-african-Short-toed-Lark-Calandrella-brachydactyla-hermonensis-Syn-rubiginosa-23052013-4285a-ZoetermeerThe-Netherlands-c-Norman-Deans-van-Swelm-1024×604.jpg
2019/01/7-North-african-Short-toed-Lark-Calandrella-brachydactyla-hermonensis-Syn-rubiginosa-23052013-4477a-ZoetermeerThe-Netherlands-c-Norman-Deans-van-Swelm.jpg
2019/01/8-North-african-Short-toed-Lark-Calandrella-brachydactyla-hermonensis-Syn-rubiginosa-head-23052013-4509a-ZoetermeerThe-Netherlands-c-Norman-Deans-van-Swelm.jpg
2019/01/9-Lesser-Short-toed-Lark-Calandrella-r.heinei-head-1-1024×613-
RotterdamThe-Netherlands-c-Norman-Deans-van-Swelm.jpg
2019/01/10-Lesser-Short-toed-Lark-Calandrella-r.heinei-head-2.
RotterdamThe-Netherlands-c-Norman-Deans-van-Swelm.jpg
2019/01/11-Lesser-Short-toed-Lark-Calandrella-r.heinei-head-3
RotterdamThe-Netherlands-c-Norman-Deans-van-Swelm.jpg

Woodlark Lullula arborea 22102011 Rotterdam,The Netherlands c Ellen Sandberg 

Woodlark Lullula arborea 22102011 Rotterdam,The Netherlands c Ellen Sandberg 

Skylark Alauda arvensis 28102011 Brouwersdam,The Netherlands c Ellen Sandberg

Skylark Alauda arvensis 28102011 Brouwersdam,The Netherlands c Ellen Sandberg

Skylark Alauda arvensis 30062013 Slikken van Flakkee,The Netherlands c Ellen Sandberg