Vending Machine For Birds
Featured
English
Physical Object (Hardware)
Research design and methods
Instructions
birding
vending
...
An inexpensive, simple bird feeder that dispenses a nut for dropping stuff in a hole and can be built from analog components and cheap materials. Rodent proof, runs on 5-6V, …
Citizens Count Brochure and Activity Sheets
This booklet and its accompanying activity sheets are designed to help teachers with students aged 10-14 foster student environmental citizenship by engaging in the annual bird count and participating in citizen science. …