41:I[185,["/_next/static/chunks/0sxns9k8ywops.js","/_next/static/chunks/11fk-1ie3w6mp.js","/_next/static/chunks/1uc4qdk4uj22c.js","/_next/static/chunks/0jvahffpql9nd.js","/_next/static/chunks/0agcep-t686m_.js","/_next/static/chunks/2_mrasy1s2owt.js","/_next/static/chunks/1nsk8jrr9fqe6.js"],"SendEmailButton"] 43:I[63625,["/_next/static/chunks/0sxns9k8ywops.js","/_next/static/chunks/11fk-1ie3w6mp.js","/_next/static/chunks/1uc4qdk4uj22c.js","/_next/static/chunks/0jvahffpql9nd.js","/_next/static/chunks/0agcep-t686m_.js","/_next/static/chunks/2_mrasy1s2owt.js","/_next/static/chunks/1nsk8jrr9fqe6.js"],"AddToLibraryButton"] 44:I[29721,["/_next/static/chunks/0sxns9k8ywops.js","/_next/static/chunks/11fk-1ie3w6mp.js","/_next/static/chunks/1uc4qdk4uj22c.js","/_next/static/chunks/0jvahffpql9nd.js","/_next/static/chunks/0agcep-t686m_.js","/_next/static/chunks/2_mrasy1s2owt.js","/_next/static/chunks/1nsk8jrr9fqe6.js"],"ShareButton"] 45:I[58016,["/_next/static/chunks/0sxns9k8ywops.js","/_next/static/chunks/11fk-1ie3w6mp.js","/_next/static/chunks/1uc4qdk4uj22c.js","/_next/static/chunks/0jvahffpql9nd.js","/_next/static/chunks/0agcep-t686m_.js","/_next/static/chunks/2_mrasy1s2owt.js","/_next/static/chunks/1nsk8jrr9fqe6.js"],"ProcessEpisodeButton"] 46:I[45269,["/_next/static/chunks/0sxns9k8ywops.js","/_next/static/chunks/11fk-1ie3w6mp.js","/_next/static/chunks/1uc4qdk4uj22c.js","/_next/static/chunks/0jvahffpql9nd.js","/_next/static/chunks/0agcep-t686m_.js","/_next/static/chunks/2_mrasy1s2owt.js","/_next/static/chunks/1nsk8jrr9fqe6.js"],"SignupCTA"] 3a:["$","div",null,{"className":"flex flex-wrap items-center gap-x-4 gap-y-1 font-mono text-[12px] uppercase tracking-[0.1em] text-[color:var(--fg-3)]","children":[["$","time",null,{"dateTime":"2026-06-18T07:00:00.000Z","children":"June 18, 2026"}],["$","span",null,{"aria-hidden":true,"children":"·"}],["$","span",null,{"children":"00:01:42"}],false]}] 3b:["$","p",null,{"className":"max-w-[60ch] text-[18px] leading-[1.5] text-[color:var(--fg-2)]","children":"After one journey, hummingbirds prepare for another."}] 42:T510,

In the spring, Rufous Hummingbirds journey from Mexico to the northwest U.S., some as far north as Alaska! That’s almost 1,000 miles one way for a bird measuring just under four inches beak to tail, making this the longest migration of any bird relative to body length. Not long after arriving, they bulk up on nectar and bugs for the scenic return trip over the Rocky Mountains.

More info and transcript at BirdNote.org.

Want more BirdNote? Subscribe to our weekly newsletter. Sign up for BirdNote+ to get ad-free listening and other perks.

BirdNote is a nonprofit. Your tax-deductible gift makes these shows possible.

Hosted by Simplecast, an AdsWizz company. See pcm.adswizz.com for information about our collection and use of personal data for advertising.