Showing posts with label American White Pelican (Pelecanus erythrorhynchos). Show all posts
Showing posts with label American White Pelican (Pelecanus erythrorhynchos). Show all posts
Thursday, February 14, 2019
Graceful Flight: American White Pelicans on the Tuolumne River
I've had some rare privileges of late during my walks on the Tuolumne River Parkway Trail. A week ago a Bald Eagle paid a visit and hung out for the better part of the week. The eagle moved on, but the next day I was keeping an eye in the sky anyway and saw a pair of huge birds overhead.
I briefly thought "eagles", but quickly realized the smooth gliding and graceful turns meant American White Pelican (Pelecanus erythrorhynchos). It was kind of nice because this is only the third time I've seen them from this part of the river.
I'm not sure what drew them out here. They tend to prefer shallow waters where they can collectively herd fish. We've got a series of ponds generated by gold mining and quarrying, and I suppose they have healthy fish populations. Whatever their reason for visiting, it's always a thrill to see them flying overhead with such grace.
Wednesday, February 7, 2018
Strange Looking "Geese" at Goose Day on the San Joaquin River National Wildlife Refuge
| Um...those don't look like geese to me... |
Last month, we were given the chance to find out. The refuge sponsored their first ever Goose Day celebration on January 13, and the festivities included an auto-tour into the interior of the preserve. The managers expected two or three dozen people, but got 100-200 people instead. The group worked out caravanning and dozens of cars motored their way into the refuge.
The ironic part of course is that few geese were in attendance (who could have foreseen that?). I don't think anyone who was there was disappointed. Their interest was in all of the birds who call the refuge home, and the chance to see the interior up close. Aside from a few comments about how cold it was, I heard no complaints. The most visible of the "charismatic" birds were several dozen American White Pelicans (Pelecanus erythrorhynchos) on an island in Page Lake.
The pelicans famously scoop up fish in their bill, although they do not store them there (they swallow them right away). They don't dive like Brown Pelicans, but instead will hunt cooperatively, swimming along in a group herding the fish ahead to where they can scoop them up.
The Pelicans are doing well. Their population crashed in the middle 1900s due to pressure from hunters and fishermen who feared the birds were consuming the valuable fish species (they weren't). DDT had an effect on populations as well, as did wetlands habitat loss. Their numbers are rebounding today.
The auto-tour spent around an hour on the shoreline of the pond in the midst of the refuge. We did see geese flying overhead, and we also saw a Great Horned Owl, Sandhill Cranes, Black-necked Stilts, Yellowlegs, and numerous other shorebirds. The tour continued on the other side of Beckwith Road, following the dike along the Stanislaus River across from Caswell State Park.
One can see why they don't want to have unrestrained public visitation. The road maintenance costs would be prohibitive.
A few days later, things were back to normal, and I headed out the platform during an afternoon break. There were hundreds of Pelicans on the island, and perhaps several thousand Sandhill Cranes visible from the road.
Subscribe to:
Posts (Atom)