SD Oct. Big Day Route, 2021
The algorithm hath spoken! The following route gives the birder a 50% chance of 156 species in San Diego County on Oct. 9th, 2021. It is based on historical data from 1990-2021 and recent confirmed notable (rare) bird sightings from the last two days (Oct 7 and 8). A 2am start (!) and pace of […]
Coming Soon: October Big Day Route
In honor of eBirds October Big Day on Saturday Oct. 9th, I’ll be posting the route proposed by my Big Day Algorithm for all of San Diego County at 7pm Oct. 8th. You can start and end your route wherever you please, but the current plan is for the route to run from roughly 3 […]
The Big Day Algorithm
The rules of big day birding, roughly, are quite simple: find as many bird species as possible, by sight or sound, in 24 hours within a specific geographic area. Besides the action day-of, the real task comes in planning a route that maximizes a team’s chances of finding birds. Most serious big day teams spend […]