Visualization of Owl Data:

MENU Nature Communications Search E-alert Submit Login Article Open Access Published: 22 February 2011 Climate change drives microevolution in a wild bird Patrik Karell, Kari Ahola, Teuvo Karstinen, Jari Valkama & Jon E. Brommer

Figure 1: Frequency distribution of tawny owl colouration in the study population.

illustration created with CSS style. Data rendered with D3

eyes follow and hover bar graph with tooltip: https://biochromatic.com/hosted/cssOwls/cssowls.html

codepen version: https://codepen.io/sspaeth1/pen/yLYYyGY?editors=0010