Daily Edge for Fri. Oct. 20

ONE MORE UP! We’ve got another great day on tap, but things change just in time for the weekend as we get back to more “huntable” temperatures.  Today’s high near 80 will seem like a distant memory as fall-like weather blows back in overnight, but the cool down will trigger more autumn-like responses from area animals as well.  We talk about that and more in today’s Three Things.

(Featured Photo: A rooster pheasant gets flushed from a pasture-side stand of grass near Bismarck, N.D.)


WEATHER (Bismarck Forecast):
Today: ­­­ Fri 10/20 – Bottle & save for January. Hi 79, Lo 48, Winds S@14, G 22.
Tomorrow: Sat 10/21 – Back to Reality.  Hi 59, Lo 48, Winds W@22, G 30.

SOLUNAR (Bismarck Times)
Sunrise: 8:09AM Sunset: 6:45PM
Moonrise: 8:48AM Moonset 7:42PM
Overhead: 2:19PM Underfoot: 1:56AM
Moon Phase: Waxing Crescent (1% Full)

EDGE HOUR.   6:30 – 7:30PM.  Sunset, moonset and an approaching front will set off a huge bite tonight in the Edge Hour. With winds shifting hard early tomorrow morning, this might be your last best day of openwater angling, so take advantage!



DIURNAL/NOCTURNAL.  Diurnal animals are active in the day, and nocturnal ones more so at night.  With the shifting daylight hours at this time of year, some animals like coyotes and raccoons have more time to play than others, such as resident birds.  While most people are more familiar with the latter term of nocturnal – especially in college – diurnal is its opposite, and most applicable to the general human populace.

MIGRATION/HIBERNATION.  Changing daylight length triggers hormonal responses, and with the help of cooling weather systems, gives animals an idea that it’s either time to move on – migrate – like doves, ducks and geese do; or to sack it up for the winter, like frogs, chipmunks and bats, and hibernate.  Mammalian hibernators rely on their biological clocks for a wake up call later in the season, while aquatic species like frogs get their cues from the changing springtime environment.

SEASONAL BREEDERS.  While we think of spring as the time for love, many animal species – like the deer profiled in the NDG&F webcast this week – do their mating in the fall.  Brown trout are also fall spawners, which is why many states have season closures on certain streams in October.  These “short day” breeders do their thing to beget the next generation when lessening daylight triggers a chemical response to breed.

Stay Sharp!


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