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The Crow Trials

Background

Crows are able to:

  • recognize human faces (Puiu, 2020)
  • have funerals/mourn (Bittel, 2018)
  • manufacture & use tools (Kenward, 2005)

Intro

Question & Hypothesis

Hypothesis

Q: Will crows use a tool to get food that is not easily accessible?

H: Crows will use a tool to get food (Kenward, 2005)

Methods

  • added pb to jars
  • altered one jar
  • left skewer nearby

Methods

.

.

actual photos

Results

  • Objective was accomplished
  • No crows used a tool
  • Goes against hypothesis

Results

Discussion

  • Crows will eventually use tools
  • Error = short time frame, simple equipment (Hunt, 2004), setting
  • Future plan: more time, different settings, better equipped

Conclusion

  • Crows will use tools
  • No crows followed said hypothesis
  • Better experiment will lead to better results
  • Really enjoyed this!

Works Cited

References

Bittel, Jason. “Think Crow Funerals Are Strange? Wait until You See the Wake.” Audubon, 23 July 2018, https://www.audubon.org/news/think-crow-funerals-are-strange-wait-until-you-see-wake#:~:text =This%20is%20why%20she%20and,about%20threats%20in%20the%20are

Hunt, Gavin R., and Russell D. Gray. “The Crafting of Hook Tools by Wild New Caledonian Crows.” Proceedings: Biological Sciences, vol. 271, no. Supplement 3, 2004, pp. S88–90, http://www.jstor.org/stable/4142566. Accessed 9 May 2022.

Kenward, B., Weir, A., Rutz, C. et al. “Tool manufactured by naive juvenile crows.” Nature 433, 121 (2005). https://doi.org/10.1038/433121a

Puiu, Tibi. “Crows Remember and Respond to People's Faces Akin to Humans Themselves.” ZME Science, 9 July 2020, https://www.zmescience.com/ecology/animals-ecology/crows-social-skills-recognize-human-fac es-0423532/#:~:text=A%20new%20study%20published%20in,adapt%20to%20specific%20hum an%20faces

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