Day 3 of Arizona backyard photography.
It occurs to me that when I write longer posts I might want to have the pictures first. First off we have a picture of a mourning dove on top of a saguaro. Mourning doves are one of the most abundant native birds in North America, as partly evidenced by finding them all over Tucson as well as back home in Delaware. They are native and popular prey for hunting but they continue to thrive despite hunting pressures and habitat change.
There were a couple of colonies of larger red ants than I’m used to back east. I thought they might be fire ants, due to their red color, but it turns out that Arizona is one of the states with greatest ant diversity with around 318 native species. There are native fire ants which sting but not as bad as the red imported fire ant. Either way I felt caution was in order and with the colony so active I was hesitant to get closer. To truly figure out what species I have here I’d need a microscope or true macro lens to see details. If you look at the link I have given and go to the species field guide you’ll see how remarkably different looking different species of ants look.
From animals to plants, we have a native red yucca which isn’t actually a yucca. Additionally there is a yellow variety of the same species, so we have another example of a misleading common name. The red flowers are popular with humming birds. I also captured an image of the fruit of the creosote bush also called chaparral. Like the saguaro the creosote bush can live for up to 200 years. The plant produces a pungent but pleasant fragrance and has been used medicinally by Native Americans as well as being investigated by modern science for anti-cancer properties. It should be noted however that consumption is not recommended, due to the fact that when taken as an herbal supplement, it has been linked to liver and kidney problems.
Creosote bushes often form circular clonal colonies (all genetically the same) and even though they produce abundant seed, only a very few seeds are able to actually germinate. One of these clonal colonies is found in Joshua Tree National Park in California and is known as the “King clone” and using radiocarbon dating and known growth rates scientists have determined that this colony has been in continual existence for an estimated 11,700 years! Because the colonies are slow growing and have low seed viability, wiping out a colony can mean that it will take many years to become what it was. My own Master’s research on native bamboos indicated that bamboos are much like creosote bushes in that they form clonal stands and have low seed viability. When a stand of bamboo is wiped out, unless there’s a surviving few plants they often can’t recover.
Still more to come!
phototerrascientia 