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Tuesday, August 12, 2014

Touching Climate Change

Do you question climate change?

In my lifetime I have watched glaciers in Alaska retreat by miles. Check out the video we shot of Mendenhall Glacier in Juneau, Alaska.

I've seen dramatic changes in the breeding of Allen's hummingbirds in my California yard and changes in the migration patterns of native birds that visit. Many of the animals are responding to impacts on native vegetation.

Rainfall in California has declined creating our current drought, but the truth is we haven't had a wet season since 2005. Flood years mixed with low rainfall years are normal for us, but the flood years are disappearing.

Small changes can sneak up on you as you ease into them. But if you are documenting daily events in the natural world, either in data, journal, or photos, the dramatic accumulation of change is undeniable. 

I remember when the Mendenhall Glacier covered most of the rocky outcroppings that are now completely exposed. I remember a 300 foot thickness of ice that nearly hid the top of the waterfall that is now completely free to tumble down a barren rock slope. Watch the video and see the beach beside the churning waterfall. I sat on that beach and cried, because when I was a child that beach was completely covered by a wall of glacial ice.   


Wednesday, July 30, 2014

The Success of Island Fox Conservation

San Nicolas Island fox, Keri Dearborn
In 2000, four subspecies of Channel Island foxes were on the brink of extinction.

I became involved with island fox conservation in 2002, first as an observer and then as Education Director for Friends of the Island Fox, a non-profit organization focused on education and informing the local California community about this rare animal disappearing on our doorstep.

Santa Cruz Island fox, Michael Lawshe
Friends of the Island Fox has worked with biologists and land managers across the six Channel Islands that provide habitat for this endemic California species. Today the island fox is the perfect example of how the Endangered Species Act should work and how scientists, conservation organizations, government agencies and an active community can save a species.

At the low point, only 15 individual animals survived on San Miguel and Santa Rosa Islands. Check out the annual update from the meeting of island fox biologists.  
2014 status of Channel Island fox.

You will be inspired. Individuals can make a difference.

Visit the Channel Islands and see island foxes.

Hear my interview about the island fox and how it came to be endangered.


Friday, July 25, 2014

Hidden Gardens of Los Angeles

red-legged frog sculpture at Malibu Legacy Park
Here and there in the corners of the city, there are wonderful public gardens.

I'm spotlighting a few of them on The Earth Minute (theearthminute.com). Each profile offers a one-minute video of the location and details on parking, accessibility, and amenities.

The Malibu Legacy Park offers native plants, a host of birdlife, and mosaic sculptures of California wildlife.

Orcutt Ranch Park is a quiet stroll through California history–complete with lemons, adobe, and an ancient oak tree.

Orcutt Ranch Park rose garden

Friday, July 18, 2014

Where Would You Spend Your Last Day?

Great Barrier Reef, Australia
The world is filled with beautiful places. 

I love Paris, London, and Istanbul. 

Walking along the beach is heavenly whether it is Maui or Malibu is truly tropical.

I love the Sierra Nevada Mountains with their big trees and the variety of both Alaska and Australia, from the Great Barrier Reef to the rainforest.


But if I had just one day left on this earth, I would spend it on Squanga Lake in  Yukon Territory, Canada.

We've posted two short videos of this slice of wilderness heaven on The Earth Minute.com

Check out Squanga Lake and floating down the outlet stream

Stunning scenery and wildlife. I hope you have a place that fills your heart as this one does mine.

Thursday, June 26, 2014

Encountering a Wild Lace Monitor

When we began our trek to the beach at Cape Tribulation in Queensland, Australia, we hoped to see wildlife among the exotic foliage. Butterflies were varied and numerous. A chorus of forest birds called out all around us. 

In the dim forest light, spotting this rufous night heron (Nycticorax caledonicus) was exciting. This was the wildlife we expected. Amazing how similar it was in appearance and behavior to the black-crowned night heron we frequently see in the Los Angeles area.



But our thrill came when a rustle in the mangrove leaves revealed a 5-foot-long lace monitor (Varanus varius). Monitor lizards are primarily predators, hunting birds, small mammals and other reptiles. Some species also eat insects and crustaceans. The lace monitor is the second largest monitor species in Australia, and Australia is the land of lizards. In a country where most of the marsupial predators have become extinct, monitors are important mesopredators (predators of small prey).

 
Southern California's equivalent mesopredators would be the gray fox, island fox, coyote, bobcat, and red-tailed hawk. Predators are much fewer in an ecosystem than prey species, making the sighting of one an unexpected pleasure. However, like our mesopredators, lace monitors are adaptable and with the decrease or extinction of large predators, mesopredator populations increase. The more resourceful species can sometimes get in trouble frequenting campgrounds and picnic areas, or even cities, where people create an opportunity for food. While this lace monitor might scavenge in the near-by park, we watched it exhibiting natural behaviors–using its forked tongue and Jacobson's organ to sense for food and other monitors. Watch the Video at TheEarthMinute.com

Monitor lizards have a deeply forked tongue like a snake and a keen chemosensory ability. As solitary creatures, they use this sense to communicate with others of their species. We watched this lace monitor mark its territory by rubbing glands, on the head and near the cloaca, on a tree trunk. Another lace monitor traveling this trail would be able to tell the gender, size, and probable health and mating status of this monitor from its scent marking. 

This behavior is very similar to that of wild felines, which also mark territory with chemical scents. (Your cat is actually marking you as its territory when it rubs its cheeks against your leg. Watch the lace monitor video and see if it doesn't remind you of your cat.) In Australia and Indonesia where there are no wild feline species, monitors are large lizards that fill the same niche. They are able predators, moving rapidly, tracking prey, climbing trees, and living in a variety of habitats.

In North America, our largest lizards are fairly small (under 2 ft or 70 cm, snout to tail tip) and the second largest, the chuckwalla is primarily herbivorous. There is no niche for a large predatory lizard because we have wild felines, bobcats, mountain lions, lynx, and the occasional ocelot or jaguar. I've only seen local bobcats on rare occasion and only felt the watching eyes of a mountain lion. Seeing this lace monitor was a reminder of the importance of predators in a healthy ecosystem and how special it is to see a mesopredator in the wild, especially when you are just taking a walk to the beach.


Cape Tribulation, Queensland, Australia




Monday, June 02, 2014

Take An Earth Minute

Step outside and take a minute to reconnect with the other living things that share our world. 

You can do that close-by at a quiet neighborhood location like one of Los Angeles' Hidden Gardens at Orcutt Ranch Park in the San Fernando Valley.

Or travel far away, like outer Mongolia - Listen to the wild wind and see the extreme terrain of Western Mongolia.

island fox footprints
No matter where you go, if you look closely you will see what other people miss: A wild tortoise living among ancient Roman ruins (Temple of Aphrodite, Turkey); flying fox bats in downtown Cairns, Australia; the endangered island fox on California's Santa Cruz Island.

When you take the time to engage with the world around you it will bring you peace, wonderment and inspiration. My husband and I are posting a minute of adventure - large and small - at TheEarthMinute.com each Friday.

Sometimes you can find a minute of wonder at your back door, like the Bewick's wrens that built a nest on our patio

This Friday I'm posting a moment with some of my favorite micro-carpenters. Subscribe to the e-mail that tells you when a new Earth Minute has been posted; you won't want to miss these bee-autiful builders.

Tuesday, May 27, 2014

Celebrating Rachel Carson's Birthday

Today is Rachel Carson's birthday - a time to reinvigorate the challenge she posed to all Americans. 

We are part of the environment in which we live. The health of our air, soil and water is just as important to humans as it is to bald eagles, island foxes (video), humpback whales and monarch butterflies.

Rachel Carson's early books celebrated the sea, coastal habitats and the variety of interdependent life  in the ocean: Under the Sea Wind; The Sea Around Us; Edge of the Sea. Through her study of coastal habitats and in her work as a writer for the Bureau of Fisheries and eventually the Editor-in-Chief of publications for the U.S. Fish and Wildlife Service, Carson saw what most Americans did not have access to: scientific reports on the toxic impacts of overused pesticides.

Carson was not a political person, she believed that science fact crossed political lines. In the years following the publication of Silent Spring, the Clean Air Act (1963), Clean Water Act (1972) and the Endangered Species Act (1973) were enacted by Democratic and Republican administrations.

New science facts have been laid before us all: our use of fossil fuels in altering the global climate. Will we come together and act for the benefit of all humanity or let the well-financed voice of a few subjugate us into self-destructive inaction?   

Your life is already too busy to take on a topic that seems insurmountable? Like all of us, Rachel Carson had personal responsibilities that consumed her everyday life. From the time she was a graduate student during the Great Depression, until the day she died, she was the sole financial support for her parents, her sister, her nieces and her grandnephew. She worked a full-time job and was the head of a household, while writing her first two books. She suffered from a variety of illnesses, including breast cancer that would take her life only two years after the publication of Silent Spring. She was determined not to let the world she loved be destroyed for future generations, are you?

In Silent Spring, Carson took scientific information to the American people and challenged us to be engaged as advocates for our local environments, to question short-term commercial gain that disregards long-term damage to life forms and habitats, and to demand accountability of our government officials, from local representatives to the President.

If we all did these three things, we could change the future in a positive way.

More on Rachel Carson.