Timing

21 results
  • Timing · Movement and migrationYa Ha Tinda summer ranges split encounters from elk in the scatIn one Alberta elk herd, cougar risk ranked highest to the east, wolf and coyote risk at home, and bear encounters in Banff, where bear scats held elk less often.Field guide · Every state · Oct 10, 2026 · 7 min read · New
  • Timing · Movement and migrationMoose with more winter-range fire were likelier to leaveIn central British Columbia, collared cow moose with more winter-range fire were likelier to migrate, yet most migratory moose-years had no winter fire.Field guide · Every state · Oct 10, 2026 · 7 min read · New
  • Timing · Movement and migrationBighorn water visits peaked in hot months; lions came year-roundCameras at 105 waters, 2009 through 2016, caught most bighorn visits in four or five hot months. Sheep and lion visits were essentially unrelated at Mojave and Chihuahuan sites.Field guide · Every state · Oct 10, 2026 · 6 min read · New
  • Timing · Movement and migrationWyoming pronghorn crossed turbines and paused farther in springCollared Wyoming females kept migrating through wind facilities. Spring and winter stopovers sat farther from turbines. Fall routes ran closer than habitat predicted.Field guide · Every state · Oct 10, 2026 · 6 min read · New
  • Timing · Movement and migrationCold Nights and Long Routes Raised Montana Doe Migration OddsCollared does in three northwest Montana herds were more likely to leave summer range on colder nights, in wetter weeks and when their route was longer.Field guide · Every state · Oct 10, 2026 · 7 min read · New
  • Timing · Movement and migrationPredators matched on gobblers; harvest split by statePredators selected the same gobbler movement traits in Georgia and South Carolina. Harvest favored birds near access in Georgia and far from it in South Carolina.Field guide · Every state · Oct 10, 2026 · 6 min read · New
  • Timing · Movement and migrationChilko bull trout fed hardest on smolts and peak spawnIn the 2021 Chilko sample, 71% of spring fish with food and 47% of peak-spawn fish with food beat a modeled daily maximum. No summer fish did.Field guide · Every state · Oct 10, 2026 · 7 min read · New
  • Timing · Movement and migrationMale smallmouth nested closer than a random draw on one closed lakeOn one closed lake, returning males' mean moves were about 1,050 to 1,350 feet (320 to 412 m) shorter than a random draw. Six to 18 percent of them reused the exact nest.Field guide · Every state · Oct 10, 2026 · 6 min read · New
  • Timing · Movement and migrationAdrian fox squirrels tracked dawn and spent about 7 hours outSeasonal averages for 14 collared fox squirrels on a developed site in Adrian, Michigan, put the first nest exit 1.5 to 2.2 hours after dawn and time out of the nest near 7 hours.Field guide · Every state · Oct 10, 2026 · 6 min read · New
  • Timing · Movement and migrationA Third of Studied Mississippi Bucks Used Separate RangesTen of 30 GPS-tracked adult bucks on two Mississippi floodplains used separate ranges. A dated log can show a buck left and returned, not that he has a second range.Field guide · Every state · Oct 10, 2026 · 6 min read · New
  • Timing · Movement and migrationFarmland on potential paths went with longer dispersalIn a Minnesota collar study, natal farmland did not detectably predict which young deer left, but more farmland on potential paths went with longer dispersals.Field guide · Every state · Oct 10, 2026 · 6 min read · New
  • Timing · Movement and migrationShared range predicted which Illinois doe groups came closeIn Illinois GPS data, shared seasonal range best explained association between neighboring doe groups, with a Carbondale fawning exception and a weak rut crop signal.Field guide · Every state · Oct 10, 2026 · 6 min read · New
  • Timing · Movement and migrationFemales den before male black bears, and nuts move the dateCollar and telemetry work puts females in dens before males. In northern Maine a scarce beechnut crop moved most females from mid to late November into mid to late October.Field guide · Every state · Oct 9, 2026 · 7 min read · New
  • Timing · Movement and migrationEarly dabblers leave near freezing while mallards wait for snowMissouri counts show pooled dabblers falling as days neared freezing while mallards held until a cold and snow score passed 7.2. Tagged mallards left most often after snow days.Field guide · Every state · Oct 9, 2026 · 7 min read · New
  • Timing · Movement and migrationShot ducks shift to closed water, and in Mississippi rest days added noneDanish refuge trials raised dabbling duck counts 4 to 50 fold. On three Mississippi areas four hunt days a week showed no detectable drop in ducks from two.Field guide · Every state · Oct 9, 2026 · 7 min read · New
  • Timing · Movement and migrationYearling Buck Travel and Forest Share Across 575 Midwest CountiesA Penn State meta-analysis connects young bucks' travel distances with surrounding forest. Among counties with land-cover data, 443 out of 575 have forest shares below 35 percent, a category whose study areas had a 17.3-mile average.Working paper · Several states · Sep 30, 2026 · 7 min read
    17.3 milesaverage young buck dispersal where forest cover is under 35%
  • Timing · Movement and migrationWhere Do Deer Go Under Pressure? Shifting Ranges, Protected Cover, and Places Hunters SkipAcross pre-rut and post-rut periods on a hunted property in South Carolina, a doe's range center shifted 90 meters, while a buck's shifted 685. Refuges raise another question: their value to nearby hunters depends on the amount of surrounding forest.Field guide · Every state · Sep 30, 2026 · 7 min read
    685 metersshift in buck range centers, pre-rut to post-rut, South Carolina
  • Timing · Movement and migrationDeer Movement Scores vs. What the Collar Studies SupportCompare deer movement ratings and lunar claims against evidence from GPS collars. Learn what can be known about a day afield and where a scoring tool cannot give reliable answers.Field guide · Every state · Sep 29, 2026 · 8 min read
    188collared bucks in a Wisconsin study with no significant weather effect
  • Timing · Movement and migrationWhen Whitetails Move: What Collar Studies Say About Sunrise and SunsetCollar research in Michigan, Oklahoma and Wisconsin shows whitetails moving most at daylight's edges, including during the rut. The changes during peak rut, and the limits of what collars reveal about your wind.Field guide · Every state · Sep 29, 2026 · 8 min read
    188collared bucks tracked through the rut in southwest Wisconsin
  • Timing · Movement and migrationDeer Move Less by Day on Sunday Than Friday: An Alabama Collar StudyGPS-collared Alabama deer showed no weekend effect when days were grouped. Separating them revealed a 17 percent daylight movement decline between Friday and Sunday that lasted until Wednesday.Field guide · Every state · Sep 29, 2026 · 7 min read
    −17%drop in daylight movement, Friday to Sunday, in an Alabama collar study
  • Timing · Movement and migrationWhat Collar Studies Show Hunting Pressure Does to Whitetail MovementCollar research spans assigned levels of hunting that reduced movement and Georgia does that showed little response. The differences are not explained by hunter counts alone.Field guide · Every state · Sep 29, 2026 · 9 min read
    37adult bucks tracked in a study with assigned hunting levels