Movie S4.

3D printing of an artificial nest made of kaolinite clay and mucin solution using the Direct Ink Writing method.

Avian mud nest architecture by self-secreted saliva

Yeonsu Jung, Sohyun Jung, Sang-im Lee, Wonjung Kim, and Ho-Young Kim

PNAS. 2021. 118:None-None DOI: 10.1073/pnas.2018509118