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One of the attractions of the San Joaquin Marsh is an island in the middle of one of the ponds that is covered with White Pelicans and Double Crested Cormorants. I have a confession about the cormorants: I have...
...never been close enough or had a powerful enough lens to see the tiny wisps of hair that constitute the "crests" on these birds. There are those who doubt that they exist. As far as I know there are only a handful of photos showing the crests...
...and even they are not impressive. The best practice is to assume that any cormorant that you see in the San Joaquin Marsh is a Double Crested and check it of your life list as one. I get many questions about the cormorants...
Here is the secret behind the existence of San Joaquin Marsh: it is a sewer. Here is the reasoning behind the construction of this artificial wetland. The water processing plant adjacent to the refuge cleanses runoff and sewage...
...of fertilizers and other urban nasties. You cannot pump clean water into the Upper Newport Bay and expect a healthy ecosystem. The water needs to carry nutrients that the ecological pyramid of the Bay depends on...
...to feed the lowest tier of the animal community. Clean water does not carry out this task. So to be sure that the water is fit for this community, it is run through the channels and ponds where it picks up...
