Category Archives: Musings & News

Preserving an Iconic Animal

Scimitar-Horned Oryx, (Oryx dammah) in Marwell Zoo, Hampshire, UK (photo from Wikimedia Commons)

7 November 2022

The scimitar-horned oryx or scimitar oryx (Oryx dammah) is extinct in the wild but not extinct on Earth. These iconic animals still exist because their beauty prompted us to preserve them.

Scimitar-horned oryx are desert antelopes that can survive without water for months or years by absorbing water from the plants they eat. Native to the Sahel (pink on map below), there may have been 1 million of them at the height of their population in the early Holocene (9500–4500 BPE) but they declined over the centuries due to climate change and hunting.

Map of the Sahel from researchgate.net

However they were already iconic. Ancient Egyptians domesticated them, Ancient Romans bred them. They were prized for their horns and meat.

Scimitar oryx at Chester Zoo (photo from Wikimedia Commons)

Unfortunately the wild population of scimitar oryx dropped to less than 200 by the early 1980’s and within 10 years the last ever seen was in Chad. Declared extinct in the wild in 2000, they still existed in captivity.

Soon captive breeding programs looked for suitable locations in the Sahel for the antelope’s reintroduction and began breeding them in zoos and in herds to succeed in the wild. In the U.S., ranches in Texas breed them for reintroduction and for hunting.

To get an idea of what the animals look like, see this video from the Greater Vancouver Zoo.

Thanks to captive breeding, the first scimitar-horned oryx were released in Chad in 2016, as shown in this video.

Many endangered species go extinct before we know they exist. That didn’t happen to this iconic animal.

(photos from Wikimedia Commons, map from researchgate; click on the captions to see the originals)

Permanent Daylight Saving Time?

Clock turned back (photo by Kate St. John)
Clock turned back (photo by Kate St. John)

5 November 2022

When we turn our clocks back tonight it may be the last time we’ll have to do it in the U.S. And then again, it might not be.

Our current DST law sets Daylight Saving Time for the entire U.S. and allows states and territories to opt out of it (stay on Standard Time). Those who have include most of Arizona, Guam, Hawaii, Northern Mariana Islands, American Samoa, Puerto Rico and the Virgin Islands.

However the current law does not allow states to stay on Daylight Saving Time year-round even though Florida, Washington, California, and Oregon legislatures have all passed bills to make it permanent and 22 other states are considering it.

So in 2018 House and Senate reps from Florida introduced the Sunshine Protection Act.

On March 15, 2022, the US Senate unanimously passed the Sunshine Protection Act. The bill proposes—beginning in November 2023—that all states go on permanent DST, which is one hour later than standard time. States that have passed legislation for permanent DST will be allowed to enact their legislation. [It also allows states and territories that never switch to DST to stay on Standard Time as they do today. ]

timeanddate.com: Daylight Saving Time Ends in USA & Canada 2022

But permanent DST is just a gleam in the eye of those who want it. It hasn’t passed the House.

Thus countries that border the U.S. have the usual dilemma. Southern Canadian provinces have so far stayed in synch with U.S. time zones. Meanwhile Mexico abolished Daylight Saving Time on 26 October 2022 (last month!) but allows northern border locations to stay in synch with the U.S.

Will we have Permanent Daylight Saving Time? Who knows. It’s more likely we’ll have Permanent Confusion.

Don’t forget to turn your clocks back tonight. 🙂

(photo by Kate St. John)

p.s. Here are some reasons why permanent DST would be darker than Standard Time: https://www.vox.com/science-and-health/2015/11/19/9762276/daylight-saving-time-bad-mapped

p.p.s. This study indicates that there would be fewer deer-vehicle collisions if we stayed on permanent DST.

Changing the Name?

Yams have an alternate name, October 2022 (photo by Kate St. John)

3 November 2022

Seven years ago I opined on the confusing name of sweet potatoes. In the grocery store they were simply labeled “yams” though they are not yams at all. Sweet potatoes are in the morning glory family, Convolvulaceae. Yams are in the yam family, Dioscoreaceae. The misleading labels began with a marketing campaign.

The Louisiana [orange sweet potato] industry coined the term “yam” in 1937 as part of a national marketing campaign to differentiate its product from the drier, white-fleshed types [of sweet potatoes] being grown on the East Coast.

LSU, 23 May 2012: Sweet Potato Louisiana’s Most Popular Vegetable

But the confusing name goes back 400 years.

The mix-up between yams and sweet potatoes originated from the trans-Atlantic slave trade. Yams are an important part of West African food traditions. They are crucial to the regional diet with a religious significance and a cultural heritage.

As European slave traders steered their ships across the Middle Passage, they packed [African] yams, along with black-eyed peas, to feed their captives. … In the Americas, where yams were not readily available, sweet potatoes, which had traveled from Central America with Christopher Columbus, took their place. … Sweet potatoes became one of several transfer foods, a throughline allowing enslaved peoples to preserve their traditions and spiritual practices even in the face of captivity and abuse.

paraphrased from Food and Wine, 10 Oct 2022: The Difference Between Yams and Sweet Potatoes Is Structural Racism

When I wrote about sweet potatoes in 2015, the words “sweet potato” were not on the labels in the grocery store but they’re there now, as seen in my photo at top. The Library of Congress pointed out in November 2019, “Today the U.S. Department of Agriculture requires labels with the term ‘yam’ to be accompanied by the term ‘sweet potato.’”

Perhaps USDA will completely change the name some day. Meanwhile find out more about the African yam, our native true yam and morning glory sweet potatoes in this vintage article:

(photo by Kate St. John)

Hybrid Gets More Than 15 Minutes of Fame

Hybrid rose-breasted grosbeak + scarlet tanager banded in Lawrence County, PA, 7 June 2020 (photo with Steve Gosser)

In the future, everyone will be world-famous for 15 minutes.

— wikipedia says this quote is misattributed to Andy Warhol

30 October 2022

Two years ago, on 6 June 2020, Steve Gosser was birding at McConnell’s Mill when he heard a scarlet tanager singing but it didn’t look like one. Steve’s photos showed the bird to be a cross between a rose-breasted grosbeak and a scarlet tanager.

Hybrid rose-breasted grosbeak + scarlet tanager singing, June 2020 (photo by Steve Gosser)

The next day ornithologists Bob Mulvihill and Steve Latta banded the bird and took blood samples for DNA testing. At top, Steve Gosser holds the bird before releasing him after banding while Bob dubbed the bird a “Scarlet Gosserbeak.” The bird was slightly famous when I blogged about him on 8 June 2020 at Who Is this Mystery Bird.

Mulvihill and Latta submitted the DNA samples for analysis and received an answer in February 2021 that the bird is indeed a hybrid of a rose-breasted grosbeak mother + scarlet tanager father. His scientific name is Pheucticus ludovicianus x Piranga olivacea (mother’s species listed first).

No one had ever heard of such a hybrid. The birds are in the same family, Cardinalidae, but not closely related. Tanagers are Piranga genus, grosbeaks are Pheucticus genus.

Toews, Rhinehart, Mulvihill, Gosser, Latta, et al submitted a paper about the bird. That’s when the hybrid’s real fame begins.

  • 25 October 2022, artwork on Reddit comparing the two species + hybrid

There are probably more articles since I last checked. This hybrid is world-famous for a lot more than 15 minutes!

(photos by Steve Gosser, phylogeny diagram from Wikipedia; click on the caption to see the original)

After the Sixth Mass Extinction, What Next?

Guam kingfisher at Bronx Zoo (photo from Wikimedia Commons)

23 October 2022

The archaeological record shows that life on Earth has experienced five mass extinctions in which 70% to 90% of all species disappeared (*). After each extinction life came back.

The extinction rate today indicates we are now in the midst of a sixth mass extinction. Scientists predict that due to human pressure, habitat loss and climate change as much as 50% of all species will go extinct by 2100. [1] [2] [3] [4]

Interestingly, the IUCN Red List’s extinction ranking shows that birds may not fare as badly as many other organisms. It’s bad news for conifers, frogs and horseshoe crabs, though.

from Wikimedia Commons

In the short term we are helping some species such as the Guam kingfisher (Todiramphus cinnamominus), shown above, already extinct in the wild and in a captive breeding program. In the long term we humans could change our ways to slow or stop species decline. Knowing humans, it doesn’t look good. We can mourn the future but if we take a very long view there is hope.

After the sixth mass extinction, what will happen next?

David Quammen‘s article Planet of Weeds in Harper’s October 1998 described the current mass extinction and asked eminent paleontologist David Jablonski “What next?” The article is quoted below.

Among the last questions I asked Jablonski was, What will happen after this mass extinction, assuming it proceeds to a worst-case scenario?  If we destroy half or two thirds of all living species, how long will it take for evolution to fill the planet back up?  “I don’t know the answer to that,” he said.  “I’d rather not bottom out and see what happens next.”  In the journal paper he had hazarded that, based on fossil evidence in rock laid down atop the K-T event and others, the time required for full recovery might be five or ten million years.  From a paleontological perspective, that’s fast.  “Biotic recoveries after mass extinctions are geologically rapid but immensely prolonged on human time scales,” he wrote.  There was also the proviso, cited from another expert, that recovery might not begin until after the extinction-causing circumstances have disappeared.  But in this case, of course, the circumstances won’t likely disappear until we do.

Still, evolution never rests.  It’s happening right now, in weed patches all over the planet. … So we might reasonably imagine an Earth upon which, ten million years after the extinction (or, alternatively, the drastic transformation) of Homo sapiens, wondrous forests are again filled with wondrous beasts.  That’s the good news.

— from Planet of Weeds, by David Quammen, Harper’s Magazine, October 1998

A 2018 study said the recovery time for mammals may be 3 million years, faster than predicted in Quammen’s article.

The future is a long way away but it looks bright. Earth will again have “wondrous forests filled with wondrous beasts.”

Paradise by Gillis d’Hondecoeter, after 1615 (image from Wikimedia Commons)

p.s. In the comments Liz Spence reminded me of a good book about the current mass extinction: The Sixth Extinction: An Unnatural History by Elizabeth Kolbert. This book won the Pulitzer Prize.

(photos and graph from Wikimedia Commons; click on the captions to see the originals)

(*) The Top Five Extinctions in Earth’s history are paraphrased below from the American Museum of Natural History and Wikipedia:

  • 440 million years ago: Ordovician-Silurian Extinction: Small marine organisms died out at a time when life only existed in the oceans. 85% of all species went extinct.
  • 365 million years ago: Devonian Extinction: Many tropical marine species went extinct. 70% of all species lost.
  • 250 million years ago: Permian-triassic Extinction: The largest mass extinction event in Earth’s history. 90% of all species.
  • 210 million years ago: Triassic-jurassic Extinction: The extinction of other vertebrate species on land allowed dinosaurs to flourish. 70% to 75% of all species went extinct.
  • 65 million years ago: K-Pg (or K-T) Extinction: The event that killed the dinosaurs. 75% of all species lost.

Birds at the Tipping Point

  • Chimney swift flying in Austin, Texas (photo by Jim McCullough, Creative Commons license, Wikimedia Commons)
    Chimney swift flying in Austin, Texas (photo by Jim McCullough, Creative Commons license, Wikimedia Commons)

20 October 2022

Just over a week ago the Cornell Lab of Ornithology published the 2022 State of the Birds in the U.S. The news was sobering. Population declines of 90 bird species have reached a tipping point into endangered status, having lost half or more of their populations since 1970.

70 of these species are on a trajectory to lose another 50% of their populations in the next 50 years if nothing changes. (That means losing another half of what’s left!) The slideshow above shows ten of my favorites that are falling off the cliff into the sixth mass extinction.

Of the 20 remaining species whose future is bleak I will especially miss the black-billed cuckoo, snowy owl, red-headed woodpecker, olive-sided flycatcher, wood thrush, and mourning, cerulean and Canada warblers.

Fortunately Cornell Lab describes actions we can take right now to turn this around, illustrating The Road to Recovery with one of the greatest recoveries of our lifetime: the peregrine falcon. We made a difference in the last 50 years and we can do it again. Click here to learn what you can do to help birds.

Peregrine falcon feeding young at Tarentum Bridge, May 2021 (photo by Lynn Mamros)

(photo credits in the captions. All of these photos were used in prior articles.)

Unusual Crash at Night

Canada geese in flight (photo from Wikimedia Commons)

19 October 2022

On 7 October 2022 a STAT Medevac helicopter had to make an emergency landing in Greenfield Township in Erie County, PA because it hit a flock of geese. One of the geese crashed through the bubble on the pilot’s side. Fortunately no one was seriously injured.

The first responders, Greenfield Township Volunteer Fire Company, posted this report on Facebook. Two more helicopters came to the aid of the first one: One to take the patient to the proper destination and one to evacuate the crash crew.

Two photos supplied by Mary Brush at StatMedEvac Pittsburgh show the damage to the helicopter. On the right you can see the hole in pilot’s-side windshield.

Helicopter downed by crash with geese in Greenfield Twp PA on 7 Oct 2022 (photos by Greenfield Township Volunteer Fire Company supplied by Mary Brush at STAT MedEvac Pittsburgh)

You may be surprised that Canada geese were flying at night but this is normal during fall migration. That night in Erie County the wind was from the northwest, perfect for heading south.

Canada geese flying at sunset (photo from Wikimedia Commons)

Geese are not nocturnal birds but are known to fly at night when they migrate south in autumn. There are three main reasons behind their nightly migratory routine: to escape their diurnal predators, to avoid thermal interruption, and to benefit from the cooler winds of nighttime.

Sonoma Birding: Why Do Geese Fly at Night?

Nighttime bird crashes are rare nowadays because aircraft are supplied with Pulselite equipment that helps the birds visually locate the aircraft. Pulselites also make it easier for humans to do the same.

(Canada goose photos from Wikimedia Commons, embedded Facebook report from Greenfield Township VFC, helicopter photos by Greenfield Township VFC supplied by Mary Brush)

New ‘Life Bird’ For Free

Eastern meadowlark (photo by Chuck Tague) vs. Chihuahuan meadowlark in San Rafael Valley, AZ (photo from Wikimedia Commons)

When I attended the Southwest Wings Birding Festival in Arizona in the summer of 2015, I saw 33 Life Birds(*) including an elegant trogon and a violet-crowned hummingbird. Seven years later I will gain a 34th Life Bird for that trip without doing anything. The eastern meadowlarks I saw in Santa Cruz County, Arizona will become a new species. eBird will change them for me this month.

This month eBird will update the taxonomy in its extensive checklist database to reflect the latest ‘splits’, ‘lumps’, additions of new species, changes to scientific names, taxonomic sequence, and more.

The full 2022 eBird Taxonomy Update is scheduled to begin on 25 October. Changes may begin as early as 15 October. The process is expected to take up to a week including intermediate steps. Submit all “Not Submitted” mobile checklists by 24 October.

Please DO NOT EDIT your personal records if you notice them changing. Reach out to eBird if you have questions.

paraphrase of eBird’s 2022 Taxonomy update news

Many changes will be minor, affecting only the scientific names. Here are two examples from my own Life List.

The violet-crowned hummingbird, Leucolia violiceps, was placed in an “unavailable” genus so this month it will become Ramosomyia violiceps on my Southwest Wings checklist.

Violet-crowned hummingbird, Patagonia AZ (photo from Wikimedia Commons)

The mottled owl I saw in Costa Rica in 2017 was Ciccaba virgata at the time, but Ciccaba is now absorbed into Strix so the mottled owl will become Strix virgata. In the Strix genus it joins an owl it resembles, the barred owl (Strix varia).

Mottled owl (photo from Wikimedia Commons)

The biggest change for me will be the long anticipated split of the eastern meadowlark. The Lilianae group — formerly a subspecies that I saw in Arizona — will become the Chihuahuan Meadowlark (Sturnella lilianae). Here’s how it looks on my life list today (18 October 2022). Soon it will change. Click here to see the Chihuahuan meadowlark’s range on eBird.

Eastern meadowlark sightings in eBird (data from Kate St. John)

It’s wonderful that I can enter a sighting 7 years ago(!) that becomes a Life Bird all on its own.

Read more about the changes at 2022 Taxonomy Update—Coming Soon!

(*) Life Bird = a bird species seen for the first time in my life.

(photos by Chuck Tague and from Wikimedia Commons)

The Most Teeth in North America?

Sperm whale skeleton showing teeth (photo from Wikimedia Commons)

19 September 2022

Adult humans typically have 32 teeth after our wisdom teeth come in at age 12-14, but our count is low compared to other animals.

7-year-old smile with missing tooth (photo from Wikimedia Commons)

Which animal in North America has the most teeth?

The Virginia opossum (Didelphis virginiana) is a contender with 50 teeth in his small mouth. He shows them when he feels threatened.

Opossum showing teeth (photo from Wikimedia Commons)

Some say that sharks have the most teeth but as far as I can tell their tooth count, often lower than 100, is not as remarkable as their tooth replacement. For instance, young lemon sharks replace all their teeth every 7-8 days so that in their lifetimes “the lemon shark Negaprion brevirostris, may produce 20,000 teeth in its first 25 years, and may live as long as 50 years.

The winner of the most-teeth contest are land and sea snails which usually have between 10-15,000 teeth, though some may have up to 25,000. This includes snails in the ocean off the North American coasts.

Studies of the European garden snail (Cornu aspersum), an alien in North America, indicate it has 14,000 teeth. Take a look at his toothy mouth under a microscope and find out why snails have so many teeth at NMH.org: Microscopic look at snail jaws.

European garden snail (photo from Wikimedia Commons)

Amazingly, the most abundantly land snail found in Pennsylvania, Zonitoides arboreus, has no teeth at all!

Quick gloss snail, Zonitoides arboreus, Edgewater, Maryland (photo from Wikimedia Commons)

(photos from Wikimedia Commons; click on the captions to see the originals)

Lobster Off the Menu to Save Right Whales

Rescuers work to cut the lines from an entangled right whale, Feb 2014 (photo by Florida Fish and Wildlife Conservation Commission, taken under NOAA permit 20556-01)

14 September 2022

A 6 September 2022 press release announced explosive news for the state of Maine: Lobster should be off the menu to save right whales.

Today the Monterey Bay Aquarium Seafood Watch program added more than a dozen fisheries, including the U.S. American lobster fishery, to its “Red List” of seafood because they currently pose risks to the survival of critically endangered North Atlantic right whales. Seafood Watch provides recommendations for seafood buyers based on sustainability criteria. … [Currently] more than 25,000 restaurants, stores, and distributors — including Whole Foods, Blue Apron, HelloFresh, Cheesecake Factory, Compass Group, and ARAMARK — have committed to using Seafood Watch ratings to guide purchasing and menu choices and to avoid red-listed seafood.

Press Release from Oceana.org

Mainers reacted angrily. Sadly this clash could have been avoided but instead it unfolded like a slow motion train wreck for at least 20 years. Here’s how we got to this point.

North American right whales (Eubalaena glacialis) are critically endangered with only about 340 remaining on Earth of which only 80 are female. The whales reproduce so slowly that more than one human-caused female death per year will send them to extinction.

Since at least 2001 NOAA Fisheries, which sets rules to protect fisheries and marine wildlife, has known that the second leading human cause of right whale deaths is from entanglement in vertical-hanging fishing gear including gillnets and the ropes of fish and lobster traps.

Illustration of gillnet (image from Wikimedia Commons)
Fishing ropes in Maine (photo by Susan Bell via Flickr Creative Commons license)

The ropes and lines become embedded in the skin. The gear snags more gear and prevents the whale from diving or surfacing completely. The whale dies.

To give you an idea of the threat to right whales read about the entangled mother “Snow Cone” and her calf last January of the coast of Florida.

Entangled right whale “Snow Cone” with her newborn calf, Jan 2022 (photo by Florida Fish and Wildlife Conservation Commission, taken under NOAA permit 20556-01)

Whenever possible rescuers from the Coast Guard and Florida Fish and Wildlife sail out to cut the lines from entangled right whales (photos at top in 2014 and below in 2004) but a portion of rope usually remains with the whale because it’s embedded in a wound.

Right whale entangled in gear off the coast of Florida in 2004, Coast Guard to the rescue (photo from Wikimedia Commons)

Meanwhile NOAA did not make rules for vertical-hanging gear to protect the whales, nor did the State of Maine. Eventually the procrastination caught up to NOAA. “In June, a court ruled that NOAA Fisheriesviolated both the Endangered Species Act and the Marine Mammal Protection Act by failing to quickly reduce impacts of lobster fishing gear on the North Atlantic right whale.” (The Guardian, 8 Sept 2022).

Seafood Watch’s lobster red list may prompt swift action as a shrimp red list did in 2015 for the Louisiana shrimp fishery.

I hope the impasse ends soon, though it doesn’t affect me personally. My husband is a Fish Frowner — no “fishy” smells at home — so I’ve rarely eaten seafood for 40+ years and, given the choice, I prefer shrimp to lobster. So glad the shrimp red list got solved.

(photos from Wikimedia Commons and via Flickr Creative Commons licensing; click on the captions to see the originals)