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When the River Rises

June 5, 2021 By DunrovinSuzAnne Leave a Comment

Flooding spring rivers both give and take life. They tear down trees, dig channels, cover riparian forests, move soil and nutrients, and create challenges for all who live near or depend on their waters. Our breeding ospreys, of course, are one of Dunrovin's family members that most depend on the river as its source of fish to feed their young. When river waters rise, the increased turbidity can make catching fish almost impossible.

when the river rises

by SuzAnne Miller

We at Dunrovin have for years used the word friendly to describe the Bitterroot River. Its cold, clear water is generally perfect for animals and human alike. The Bitterroot River offers plenty of fish for fishermen with two legs, four legs, or two wings. The river corridor is literally a highway for boaters and wildlife alike. Each year, however, the Bitterroot exercises it aquatic mussels by overflowing it banks and turning from friendly to downright dangerous as it rips up trees in one part of the river, only to deposit them again further downstream.  I once described this springtime display of power, destruction, and renewal in an article entitled Bitterroot Bayou that I wrote for a local online newspaper.
As the chart above from the US Geological Survey's National Water Information System indicates, the Bitterroot River is on the rise and disrupting life at Dunrovin. What those chart numbers look like on the ground can be seen in the photos below taken from the Dunrovin river webcam.
This flooding translates into both inconsequential and serious disruptions to the human, wildlife, and birds of Dunrovin. the birds that depend on fish for food face the most consequential challenges
Ranch humans have lost their trail for their ranch rides. There are now small lakes instead of grassy meadows.
Great blue herons have had to abandon their usual river fishing grounds and seek alternative sources of prey. One local heron has focused its attention on Dunrovin's fields in search of ground squirrels. Its success on one day brought it back the next. Take a look as the following videos - but we forewarned that they depict nature at it rawest!

The animals facing the biggest threat from the rising waters on the Bitterroot River are our own osprey family: Harriet, Swoop, and their chicks Pfiz, Mod, and JJ. Ospreys are wholly dependent on fish. The chicks are particularly vulnerable. Osprey chick grow at a very rapid rate as they must be ready to migrate thousands of mile within 3.5 months of hatching. That's a lot of muscle, feathers, and bones to build in a very short time. Not only do they get their nourishment from fish, but they get their water. Without fish, they are in danger of dying from dehydration and starvation.

The youngest and smallest chick, JJ, is particularly vulnerable. He must compete with it older and larger siblings. When high river waters can keep ospreys from being able to catch sufficient fish to feed their voracious chicks, the chicks often turn to fighting and inevitably, the young one struggles to survive and most often dies.

Luckily for our beloved osprey family, Swoop has proven to be an exceptional fisher. He continually surprises us by supplying his family with BIG fish after BIG fish. Enough to keep all three chicks with plenty of food. Take a look at this morning's first fish of the day. You will note that JJ is, in fact, the most aggressive chick. Its strong will to survive along with the incredible support from its competent parents gives us all plenty of reason to think it will not only survive, but thrive.

Filed Under: Newsletter, Public View, This Week, Uncategorized Tagged With: Kola

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