Birds are Better Than Pesticides

Birds are Better Than Pesticides

One of the major scourges that farmers face is crop damage from insects. Farmers spend massive amounts of money on pesticides to get rid of the pests that invade almost every crop they grow. There is also a significant problem with rodents in some crops, and again chemical elimination of rodents is expensive and does a great deal of collateral damage. The solution to all of this is birds. Birds are better than pesticides.

God has always built into the natural environment a way to keep insects and rodents in check. Predators prevent the overpopulation of these pest challenges to human farmers. When humans kill off the predators, the only recourse is using chemicals. New studies have shown how vital birds are to the control of insects and rodents. Birds are better than pesticides. Here are some examples:

FLOOD CONTROL DAMS AND LEVEES – Ground squirrels and gophers burrow under dams and levees, causing the collapse of these structures. Chemical use of anticoagulant rodenticides cost Ventura County, California, $7500 a year and also killed coyotes, bobcats, and mountain lions. So instead, the county installed raptor perches to attract owls, hawks, and falcons. Studies showed that those birds were 67% more effective in controlling rodent burrows and saved $7500.

INDONESIAN CACAO PLANTATIONS – Yields of cacao, used for making chocolate, have increased by 290 pounds per acre after adding bird boxes to the fields.

EUROPEAN APPLE GROWERS – Growers have reduced caterpillar damage by 50% by adding nest boxes that attract insectivorous birds known as great tits.

COFFEE BEANS – Farmers in Jamaica added bird boxes and reduced the number of coffee berry borers, increasing profits by $126 per acre.

CALIFORNIA VINEYARDS – Pocket gophers and voles were damaging crops up to $58 per acre. A single family of barn owls placed in a nest box killed 3,000 rodents in a single year. Armyworms are a problem for U.S. Vineyards as well as for beet growers. In California, nest boxes have attracted bluebirds that eat 2.4 times the number of armyworms as areas without bird boxes.

WALNUT GROVES – Moth Larvae are a problem for walnut growers. Placing bird boxes eliminated four times as many of the larvae as other methods.

Humans have created many problems by not using God’s methods of controlling pests. Research shows that chemicals which cause cancer and other issues are not nearly as effective as birds in eliminating the scourges farmers face. Birds are better than pesticides.

— John N. Clayton © 2021

Reference: Living Bird, Summer 2021, Volume 40 # 3, pages 33 – 42. Available from Cornell Lab of Ornithology.

Solutions to the Mosquito Problems

Solutions to the Mosquito Problems
Damselfly

One of the big problems that humans face is mosquito infestations. Most of us know that mosquitoes can carry serious diseases, with malaria being at the top of the list. It is essential to understand that the presence of mosquitos is not a failure in God’s design of the natural world. What are the solutions to the mosquito problems?

Most mosquito species are pollinating insects. Of the problem species, only the females draw blood, usually from decaying remains of animals. Before humans invaded natural habitats, mosquitos were less of an issue than in modern times. The larvae do not survive well in running water, and mosquitos are such weak fliers that even a slight breeze will keep them at bay.

The human response to mosquitos has been badly misdirected. The most common response has been to spray areas with heavy doses of chemicals that kill mosquitos. The problem is that the spraying kills everything else as well. Pesticides do not discriminate between good insects and bad ones. Animals dependent on insects for food are radically affected by massive spraying. Since 1970, nearly three billion birds have disappeared from North America. The solution to mosquito problems is quite simple–let God’s natural agents control the mosquito population.

Dragonflies and damselflies are voracious mosquito eaters concentrating on mosquito larvae. Hummingbirds eat hundreds of insects every day. American bullfrogs have long sticky tongues designed to catch insects, and mosquitos are at the top of their list. Red-eared slider turtles are mosquito eaters, with one study showing a 99% drop in mosquito numbers in ditches where the turtles were introduced. Woodpeckers, warblers, and wrens all eat mosquitos. They are all solutions to the mosquito problems.

Mass spraying creates imbalances in insect populations and kills birds and animals that feed on mosquito larvae. The spray also has serious implications for humans who react to the chemicals, including some forms of cancer. Humans have contributed to the dilemma that mosquitos bring to all of us, but God has natural solutions to the mosquito problems.

— John N. Clayton © 2021

Data from National Wildlife April/May issue 2021.

Stink Bugs and Human Mistakes

Stink Bugs and Human Mistakes

Brown marmorated stink bugs (Halyomorpha halys) have become a significant pest in areas of the United States. They are native to Asia, but humans accidentally introduced them into the USA in 1998. Since they have no natural predators in North America, their numbers have grown dramatically. We can learn a lesson from stink bugs and human mistakes.

Brown marmorated stink bugs are commonly known to Americans simply as “stink bugs.” The “stink” is because they give off a foul smell when disturbed. “Marmorated” refers to their marbled coloration. You can distinguish brown marmorated stink bugs from similar-looking beetles by the alternating light and dark colors on their antennae and the edges of their abdomen.

When the weather turns cold, these pests find ways to get into homes through small openings, and there they hibernate. Sometimes the heat in the house causes them to become active and annoy the residents during the cold months. The real problem arises when warm weather arrives. That’s when they come out in force.

Halyomorpha halys is a major agricultural problem in some areas because they feed on a wide variety of fruit and vegetable crops. They pierce the plants or the fruits with their needle-like beaks and suck out the fluids. At the same time, they inject saliva, which causes shriveling and rotting.

In their native countries, there is a wasp that feeds on these stink bugs. The US Department of Agriculture has looked into importing those wasps into the United States to bring the bugs under control. The problem with that idea is the wasps might become new pests because they don’t have native predators. Traps remove only some of the bugs, and pesticides can have harmful side-effects. Pesticides are also not very effective because they stay on plant surfaces. The stink bugs don’t eat the surface of the plants. They pierce through the surface and drink the juices from inside. Perhaps the best hope, for now, is that some of our native birds and insects start to develop a taste for stink bugs as their population increases.

The Creator has given us an excellent and well-balanced system, but we humans have a knack for ruining God’s gifts. That has been true from the Garden of Eden until today. We see a connection between stink bugs and human mistakes.

— Roland Earnst © 2020