[Terabitten]

Most monarchs weigh 500 to 600 milligrams, so each tag-bearing migrator making the transcontinental journey is, by weight, equivalent to a half-raisin carrying three uncooked grains of rice.

I swear Americans will do anything to avoid using the metric system.

[ifinnegan]

Should have said equivalent to a human carrying an extra ten to twenty pounds.

[FreedomPoster]

There are two kinds of 1st World countries. Those that have landed men on the moon, and those that use the metric system exclusively.

[Ge0ffrey]

What’s cool is visiting the national park in the state of Michoacan, Mexico where they enter.

[TangoLimaSierra]

I swear Americans will do anything to avoid using the metric system.

Yer damn skippy.

[DennisR]

To their own demise! Give me the metric system any day.

[Svartalfiar]

Most monarchs weigh 500 to 600 milligrams, so each tag-bearing migrator making the transcontinental journey is, by weight, equivalent to a half-raisin carrying three uncooked grains of rice.

I swear Americans will do anything to avoid using the metric system.

The metric system fails to be easily applied to normal sizes. English units, for the most part, make intuitive sense.

But the analogy might be better understood as the radios weigh the equivalent of a 200-lb person having to carry 20-ish pounds everywhere they go!