黑料天堂

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Wood Duck Mates Determine Migration Routes

woodie

黑料天堂 most abundant duck, the wood duck, is not known for migrating long distances. Photo by Billy Pope

By DAVID RAINER, 黑料天堂

In the waterfowl world, 黑料天堂鈥檚 most abundant species, the wood duck, is not known for migrating long distances.

It turns out, the wood duck migration patterns follow a 鈥渂oy meets girl鈥 scenario. Boy meets girl; girl flies home; boy follows.

When the Minnesota waterfowl season opened, four wood ducks that were banded in 黑料天堂 were harvested more than 1,000 miles from home.

Seth Maddox, the 黑料天堂 Wildlife and Freshwater Fisheries (WFF) Division鈥檚 Migratory Bird Coordinator, said one of the birds harvested in Minnesota was 6 years old, banded in 2014 as a hatch-year male. The other three were banded in recent years.

鈥淲hat is interesting in our data is that our males, especially juvenile males, will pair up with migrant females and follow them back to their natal nesting ground,鈥 Maddox said. 鈥淥ur females tend to hang around where they were hatched. Whatever female a male pairs up with, he follows her.鈥

黑料天堂 has been banding wood ducks since 1956. During that time, WFF has banded about 28,000 wood ducks. The band recovery rate is about 7.7 percent, which may seem low, but Maddox said that is about the national average for all banded waterfowl.

鈥淲e have recovered a little more than 2,100 bands,鈥 Maddox said. 鈥淚f you look at waterfowl overall, the band recovery is between four and five percent. Some birds are smarter than others, and others die before they are harvested. Recovery rate is pretty low for most species. About 50 percent of the wood duck bands are recovered in 黑料天堂.鈥

Although the aforementioned birds traveled as far as Minnesota, Maddox said most wood ducks don鈥檛 make such a long journey.

鈥淭he states next to or near us harvest more than any other states,鈥 he said. 鈥淲e do get a good bit of band recovery in Georgia, South Carolina, Tennessee, Louisiana and Mississippi.鈥

While it鈥檚 fairly rare to have bands recovered as far away as Minnesota, Maddox said bands have been recovered in 30 different states since the program鈥檚 inception.

鈥淲e鈥檝e had bands recovered from Maine to Florida, in Texas, North Dakota and three Canadian provinces 鈥 Manitoba, Ontario and Quebec,鈥 he said. 鈥淢ore males are harvested out of state, which goes back to our males pairing up with migrant females. The males likely get killed near where the female is from or on the way back south during the next winter.鈥

Getting a firm count on the wood duck population is difficult for waterfowl managers because of the bird鈥檚 habitat preferences.

鈥淲e can鈥檛 count wood ducks from a plane like we do with other species,鈥 Maddox said. 鈥淲ood ducks live in beaver swamps and wetlands. That鈥檚 why we have a banding program, so we can track harvest rates and survival and look at age ratios. With this data, we can assess what the population is doing so we can set seasons and bag limits because we can鈥檛 count them from the air.鈥

WFF鈥檚 banding work is conducted during the heat of the summer. Maddox said biologists look for a suitable clear spot on the edge of a pond or river. The ducks are baited with grain, and game cameras are erected to monitor the activity at the bait site over a two-week period.

A 30-foot by 60-foot rocket net is then set up and fired when the ducks congregate at the bait site. WFF officials remove the ducks as quickly as possible from the net and put them in crates before they start banding the birds.

鈥淥ur banding runs from July until the end of September each year,鈥 Maddox said. 鈥淚t鈥檚 a hot job, but it provides significant data. We age and sex the birds before we band them. We鈥檙e getting different ages because wood ducks in 黑料天堂 will nest up to three times a year. We鈥檙e getting adult males, adult females and three different ages of hatch-year birds.鈥

Although a few wood ducks that are banded in 黑料天堂 travel long distances, most recovered bands come from nearby states.

Maddox said mature wood duck hens will nest in February or March. The clutch of eggs will hatch in about 30 days.

鈥淚t takes about 45 days for those juveniles to fledge out and reach flight stage,鈥 he said. 鈥淭hen the hen will let that first clutch go, and she鈥檚 back on the nest.鈥

After WFF is finished with the banding efforts each September, the data is sent to the U.S. Geological Survey鈥檚 (USGS) Bird Banding Laboratory.

When hunters harvest a banded bird, the information should be reported to and it will enter the USGS鈥檚 band repository. The hunter will then receive a certificate of appreciation and information on where the bird was banded. WFF will receive a report from the USGS about where the bird was harvested.

鈥淥verall, mallards are the most banded waterfowl species,鈥 Maddox said. 鈥淵ou鈥檙e most likely to kill a banded mallard. Second most likely would be a banded wood duck.鈥

黑料天堂 hunters will again have a daily bag limit of 6 ducks for the 2020-2021 season. That daily bag limit may include no more than 3 wood ducks, 4 mallards (no more than 2 of which may be females), 1 mottled duck, 2 black ducks, 1 pintail, 2 canvasbacks, 1 scaup, and 2 redheads. The daily bag limit for coots is 15 per day. The daily bag limit for mergansers is 5, only 2 of which can be hooded mergansers. The aggregate bag limit of 5 dark geese (Canada, White-Fronted and Brant) shall not include more than 3 Canada geese or 1 Brant. For light geese (Snow, Blue, Ross鈥檚) the aggregate bag limit is 5. Possession limit is three times the daily bag limit.

Regular season dates for ducks, coots, mergansers and geese are November 27-28, 2020, and December 5-January 31, 2021. The Youth, Veterans and Active Duty Military Special Waterfowl Days are set for November 21, 2020, and February 6, 2021.

鈥淗abitat conditions are looking good,鈥 Maddox said. 鈥淚t鈥檚 been a fairly wet spring and summer for us. There should be lots of water on the landscape and lots of food available. The hatch should have been good this year, so I think we鈥檒l see plenty of wood ducks on Black Friday when the season opens this year.鈥

With the help of Ducks Unlimited (DU), Maddox said WFF is in the middle of a huge waterfowl habitat enhancement effort.

鈥淭his is the biggest undertaking of waterfowl projects the state鈥檚 ever done,鈥 he said. 鈥淲e started in 2019 and put together a list of 15 projects across the state. We鈥檙e going to put a little more than $1 million into habitat and restoration work on the wetland landscape in 黑料天堂, from the Tennessee Valley all the way to the Mobile-Tensaw Delta.

鈥淎 lot of the projects involve replacing or restoring the water control infrastructure on some of our WMAs (wildlife management areas). We will restore some habitats that have been degraded over the years and putting that back in higher productivity for waterfowl. We will create a couple of new SOAs (Special Opportunity Areas) that will be available for limited-quota hunts for waterfowl in the future in Jackson County and Dallas County.鈥

Maddox said new pumps and water control gates are being installed at the Jackson County waterfowl area. New water control structures and levees are also under construction at the David K. Nelson WMA near Demopolis.

Survey work will be conducted for the projects that will begin next year at Swan Creek, Swan Creek Greentree Reservoir and in the Mobile-Tensaw Delta. The work includes replacing dilapidated water control structures as well as aerial spraying of herbicides in the Delta to control non-native invasive species like Chinese tallow (popcorn) trees and giant cut grass to restore historical open wetlands.

鈥淒U has assisted us with previous projects and is a long-term cooperative partner in conservation,鈥 Maddox said. 鈥淚n addition, a lot of this would not be possible if hunters weren鈥檛 purchasing state duck stamps over the years. We don鈥檛 get any General Fund tax dollars, so all of this work is paid for through license sales, duck stamps, Pittman-Robertson Wildlife Restoration funds and partners like DU.鈥

鈥淚t鈥檚 good to see work being put on the ground through the use of these funds for the future of waterfowl in 黑料天堂 and waterfowl hunters across the state.鈥

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Four wood ducks banded in 黑料天堂 made journeys of more than 1,000 before they were harvested in Minnesota.