![Mineralogical and textural characteristics of nest building geomaterials used by three sympatric mud-nesting hirundine species | Scientific Reports Mineralogical and textural characteristics of nest building geomaterials used by three sympatric mud-nesting hirundine species | Scientific Reports](https://media.springernature.com/m685/springer-static/image/art%3A10.1038%2Fs41598-018-29307-8/MediaObjects/41598_2018_29307_Fig1_HTML.png)
Mineralogical and textural characteristics of nest building geomaterials used by three sympatric mud-nesting hirundine species | Scientific Reports
![I took this photo of a cute little Red Rumped Swallow while it collected some mud to build its nest! Their nests are usually somewhere around, a cup of mud attached to I took this photo of a cute little Red Rumped Swallow while it collected some mud to build its nest! Their nests are usually somewhere around, a cup of mud attached to](https://preview.redd.it/5p99c6iod1671.jpg?auto=webp&s=834fae6ed262fdd7198b457777196d3ec033a4f2)
I took this photo of a cute little Red Rumped Swallow while it collected some mud to build its nest! Their nests are usually somewhere around, a cup of mud attached to
![Flying Red-rumped Swallow with mud for the nest in its bill, Stock Photo, Picture And Rights Managed Image. Pic. AQT-RLC_A042_180131_00420 | agefotostock Flying Red-rumped Swallow with mud for the nest in its bill, Stock Photo, Picture And Rights Managed Image. Pic. AQT-RLC_A042_180131_00420 | agefotostock](https://previews.agefotostock.com/previewimage/medibigoff/cfd97dc37cf96d196cf0e8e3ef078462/aqt-rlc_a042_180131_00420.jpg)
Flying Red-rumped Swallow with mud for the nest in its bill, Stock Photo, Picture And Rights Managed Image. Pic. AQT-RLC_A042_180131_00420 | agefotostock
![Minden Pictures - Red-rumped Swallow (Cecropis daurica) flying towards nest, Seville, Spain - Ramon Navarro/ NiS Minden Pictures - Red-rumped Swallow (Cecropis daurica) flying towards nest, Seville, Spain - Ramon Navarro/ NiS](https://www.mindenpictures.com/cache/pcache2/70044243.jpg)
Minden Pictures - Red-rumped Swallow (Cecropis daurica) flying towards nest, Seville, Spain - Ramon Navarro/ NiS
![Red-rumped Swallow (Cecropis daurica) building its mud nest. Badajoz province. Extremadura. Spain Stock Photo 1566-15480736 : Superstock Red-rumped Swallow (Cecropis daurica) building its mud nest. Badajoz province. Extremadura. Spain Stock Photo 1566-15480736 : Superstock](https://cdn.superstock.com/1566/Comp/1566-15480736.jpg)