This scatter plot shows the relationship between flipper length and body mass for three penguin species, with each species color-coded as pink, silver, or gold. The visualization uses D3 v5’s `scaleLinear`, `extent`, and `axisLeft`/`axisBottom` functions to map data from a CSV file loaded via `d3.csv`. Each point is an SVG circle with fixed radius, while bill length and depth are also encoded as attributes (`rx`, `ry`) on the circles. The chart renders in an SVG element sized to the window, with axis labels and a title styled using CSS.