# Influences of environmental and biological factors on song complexity in songbirds

> 2017 doctoral thesis by Samuel David Hill at Massey University

**Wikidata**: [Q112932285](https://www.wikidata.org/wiki/Q112932285)  
**Source**: https://4ort.xyz/entity/influences-of-environmental-and-biological-factors-on-song-complexity-in-songbirds


## References

1. [Source](http://hdl.handle.net/10179/13593)