Look for 2 adults on the nest. The adult pair will show pair bonding behaviors such as vocalizations, aerial sky dances, and the male feeding the female fish. You may see the pair copulating, which typically begins 14 days before laying eggs.
Females will lay 1 - 4 eggs at a rate of one egg every 1 - 2 days. After laying, incubation starts. Look for adults taking turns sitting low in the nest incubating eggs. The incubation period can last 35 - 43 days.
Chicks hatch ~39 days after incubation begins. Look for adults bringing food to the nest and making "head bows" into the center. Chicks typically can't be seen until they are 2 - 3 weeks old, so feeding behavior is the only way to know chicks are there.
Around 4 weeks after hatching, look for the heads of chicks to show over the rim of the nest, particularly when adults bring food to the nest. Other times they lie flat and are harder to see. Count the number of chicks in the nest before they learn to fly
Chicks begin flying around 7 - 8 weeks old, and are still fed by the adults. Count the number of chicks who have successfully fledged the nest and are observed flying.
Chick Last Observed
4 - 10 weeks after fledging, chicks begin leaving the nest area to migrate south, once they have learned to fly and feed themselves. Record the date that the last chick left the nest.
Look for signs of nest failure like adult abandonment, adults no longer incubating eggs or feeding young.
The pair returned either yesterday (3/27) or this morning (3/28) They seem to always return at the exact same time. Does this mean they winter together or is it just great timing? As of rigt now they are just perched and seem to be relaxing. Would be interesting to know where they winter?
I see there is no info for this nest so ill update going back to last year. The osprey arrived last year on the morning of March 31st, 2015. These two have been here for years, wondering if its young will return here in the future as they do. They have yet to arrive this year, which is normal so far. I was wondering if they would return earlier with the mild winter we had but not yet, Im hopin theyll be back soon! Maybe they will be right on time. They had 2 chicks last year as well. Wish I knew were these guys wintered over!
My family and I went on a bike ride and were about to walk though a foot traffic only area near the river. As we got off our bikes and began to walk, we started hearing shrieking sounds coming from the sky and that is when my wife noticed a large bird. She was unsure what type it was until I told her it was an osprey. The osprey just began circling above us making sure we didn't approach her nest high above us. It was crazy because she was definitely not happy.