https://kids.britannica.com/kids/article/salmon/353740
https://www.pbslearningmedia.org/resource/mcs25-sci-salmoncycle/salmon-life-cycle-molly-of-denali/
https://psf.ca/learn/salmon-facts/
https://psf.ca/learn/species-lifecycle/
https://americanindian.si.edu/nk360/pnw-history-culture/pnw1-salmon/