dennishoddy
Moderator
Oklahoma's Severe Weather Impacts Nesting Birds
In addition to predation, quail and other ground nesting birds are susceptible to Oklahoma's notorious severe weather. As heavy rains and flash flooding raise water levels and fill farm ponds, nests can be destroyed and down-covered chicks can become hypothermic and die. Added to that, hail storms can kill adults or crack unattended eggs. Unfortunately, multiple hail storms have swept across the state during the first two months of the 2012 nesting season-producing golf ball to softball size hail stones. While the direct effect of these storms on the local population is unknown, many managers realize initial clutches could have been impacted. As you remember weather events from earlier this year, consider their effect on our upland game species.
According to the National Weather Service there are 109 hail reports for Oklahoma for the months of May and June, which is the peak season for first nest attempts.
1951 Hail Storm Kills over 100 Birds-Including 41 Quail
In October of 1951, a massive hail storm hit southwestern Oklahoma. One inch hail fell for about 10 minutes and covered the ground to a depth of two to three inches. Three days after the storm a game warden and two technicians inspected a 120 foot wide and one mile long shelterbelt tree row northwest of Mangum, Oklahoma. In the shelterbelt, they found the following dead wildlife: 45 Swainson's Hawks, 1 immature red-tailed hawk, 1 Cooper's hawk, 30 crows, 3 barn owls, 3 mourning doves, 4 cottontail rabbits, and 1 wood rat.
At another farm, three coveys of quail were found dead in a weedy fencerow. Twenty-two birds were in the first covey, 11 birds in the second, and 8 birds were found in the third covey. Coveys attempted to huddle under clumps of sunflowers, ragweeds, and thistles.
Oklahoma State University is collecting weather data from 6 WEATHERHAWK weather stations at Beaver River and Packsaddle WMAs. The units are stand alone, self-contained weather stations that are capable of collecting weather data at multiple intervals and for extended periods of time with little or no maintenance. The weather stations are collecting data every hour. The data includes: temperature, solar radiation, relative humidity, wind speed, wind direction, and precipitation. The weather data obtained from the weather stations will be used to help create thermal models of nesting and brooding habitats. This will help explain how habitat structure enables quail to deal with extreme temperatures. The long-term weather data will also be used to help explain fluctuations in annual quail population estimates. The data will also be correlated with changes in vegetation following management activities.
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