Today on NPR it was reported that scientists knew that the Passenger Pigeon was going to become extinct when there were still 1,000,000 of the birds alive. How could that happen?

Today on NPR it was reported that scientists knew that the Passenger Pigeon was going to become extinct when there were still 1,000,000 of the birds alive. How could that happen?
by

1 Answer

Answer :

answer:Interesting question. I was reading this book from the library just a couple of weeks ago. Find it and read it. The quick answer to “how” has to do with long term trend factors. http://www.amazon.com/Feathered-River-Across-Sky-Extinction/dp/1620405342/ref=sr_1_1?ie=UTF8&qid=1400639020&sr=8-1&keywords=pigeon+passenger
by

Related questions

Whichone of the following is an extinct animal? (1) Passenger pigeon (2) Mountain quail (3) Pink-headed duck (4) Ibis

Description : Whichone of the following is an extinct animal? (1) Passenger pigeon (2) Mountain quail (3) Pink-headed duck (4) Ibis

Last Answer : (1) Passenger pigeon Explanation: The Passenger Pigeon or Wild Pigeon is an extinct North American bird. The species lived in enormous migratory flocks until the early 20th century, when hunting and habitat destruction led to its demise.

Dodo, Passenger Pigeon and Steller’s sea cow became extinct in the last 500 years due to (a) Habitat destruction (b) Over-exploitation (c) Pollution (d) Bird-flu virus

Description : Dodo, Passenger Pigeon and Steller’s sea cow became extinct in the last 500 years due to (a) Habitat destruction (b) Over-exploitation (c) Pollution (d) Bird-flu virus

Last Answer : (b) Over-exploitation

Which one of the following is an extinct animal ? (1) Passenger pigeon (2) Mountain quail (3) Pink-headed duck (4) Ibis

Description : Which one of the following is an extinct animal ? (1) Passenger pigeon (2) Mountain quail (3) Pink-headed duck (4) Ibis

Last Answer : Passenger pigeon

Why do scientists believe the human race could become extinct during this century?

Description : Why do scientists believe the human race could become extinct during this century?

Last Answer : Because the next Twlight film will cause a cataclysmic onslaught of raging teenage hormones.

You and Hector are in the car. You are in the passenger seat while Hector is driving. Hector is very good at driving. He closes his eyes to scare you as he is driving.You look at him and see his eyes closed. Your heart starts pounding because there is something in the road and Hector has to swerve out of the way, but with his eyes closed he can't see it, yet he still swerved out of the way and kept driving perfectly. Along with his eyes being closed the whole time, you were also silent the whole time. How is that possible that he knew something was in the way with his eyes closed? -Riddles

Description : You and Hector are in the car. You are in the passenger seat while Hector is driving. Hector is very good at driving. He closes his eyes to scare you as he is driving.You look at him and see ... whole time. How is that possible that he knew something was in the way with his eyes closed? -Riddles

Last Answer : Since you are in the passenger seat, when you look at Hector all you see is the right side of his face, only his right eye. He had his right eye closed and his left eye opened. You just could't see it.

When did the last passenger pigeon die in the U.S.?

Description : When did the last passenger pigeon die in the U.S.?

Last Answer : In 1914.

An endangered bird is (a) Passenger pigeon (b) Dodo (c) Great Indian Bustard (d) Peacock

Description : An endangered bird is (a) Passenger pigeon (b) Dodo (c) Great Indian Bustard (d) Peacock

Last Answer : (c) Great Indian Bustard

The extinction of passenger pigeon was due to

Description : 2. The extinction of passenger pigeon was due to (a) increased number of predatory birds. (b) over exploitation by humans. (c) non-availability of the food. (d) bird flu virus infection.

Last Answer : (b) over exploitation by humans.

Which one of the following birds has recently become extinct ?

Description : Which one of the following birds has recently become extinct ?

Last Answer : Which one of the following birds has recently become extinct ? A. Archaeopteryx B. Archaeomis C. Dodo D. Great Indian Bustard

If high-altitude birds become rare or extinct, the plants which may disappear along with them are

Description : If high-altitude birds become rare or extinct, the plants which may disappear along with them are

Last Answer : If high-altitude birds become rare or extinct, the plants which may disappear along with them are A. Pine B. Oak C. Orchids D. Rhododrons

Scientists have argued for years on the theory of how many thoughts a day humans have. Some have suggested 6000, while others believe it could be as much as 50.000 to 80.000. What thought did you have today that stood out the most?

Description : Scientists have argued for years on the theory of how many thoughts a day humans have. Some have suggested 6000, while others believe it could be as much as 50.000 to 80.000. What thought did you have today that stood out the most?

Last Answer : I'm tired

What would happen, to the world economy, if all stored physical gold, and most other precious metals, were suddenly reported to have vanished with no trace, while some still exist on paper?

Description : What would happen, to the world economy, if all stored physical gold, and most other precious metals, were suddenly reported to have vanished with no trace, while some still exist on paper?

Last Answer : They would find another resource that that approximated the beauty, nobility, and malleability of gold. It would not be the same. But if you can not have plan A, you have to take plan B.

'Pigeon milk' is produced by – (1) Crop (2) Birds (3) Mammals (4) All of the above

Description : 'Pigeon milk' is produced by – (1) Crop (2) Birds (3) Mammals (4) All of the above

Last Answer : (2) Birds Explanation: Crop milk is a secretion from the lining of the crop of parent birds that is regurgitated to young birds. They are found among all pigeons and doves where ... bears little resemblance to mammalian milk, being a semi-solid substance somewhat like pale yellow cottage cheese.

‘Pigeon milk’ is produced by (1) Crop (2) Birds (3) Mammals (4) All of the above

Description : ‘Pigeon milk’ is produced by (1) Crop (2) Birds (3) Mammals (4) All of the above

Last Answer : Birds

A retired zookeeper owned a huge house with a very large and beautifully landscaped yard. The neighbors of the man drove past his home daily, and admired his arrangement of all the large trees and numerous healthy bushes which adorned the front yard. One day, a neighbor drove by the former zookeeper's house, and was astonished to see a living, fully-grown ostrich standing in the yard. A week later, neighbors reported seeing a live, fully-grown bear standing near the ostrich. As the next few weeks passed, the neighbors saw a tiger, a lion, a hippopotamus, and finally an elephant appear in the yard of the retired zookeeper --- all fully- grown and alive, but without any cages or bars to protect the neighborhood from them. Amazingly, not one person who lived in that area ever expressed any fe

Description : A retired zookeeper owned a huge house with a very large and beautifully landscaped yard. The neighbors of the man drove past his home daily, and admired his arrangement of all the large trees and ... from them. Amazingly, not one person who lived in that area ever expressed any fe -Riddles

Last Answer : The retired zookeeper was also a professional topiary expert. Mixing together the best of his two worlds, he sculpted zoo animals from his fully-grown, healthy, living bushes in his front yard, much to the delight of his neighbors.

Do you ever wonder what would happen, if people really knew what was going off inside your head?

Description : Do you ever wonder what would happen, if people really knew what was going off inside your head?

Last Answer : answer:I am an open book. You seem to be a closed one. We hear a version of this issue of intimacy from you every few days. Perhaps time to stop rewording the question and start to work on your issues. ... daily that you have to keep hidden? It can't be good.) Again, I apologize for the tough love.

If scientists knew beyond a doubt that a huge asteroid was heading for the earth and would destroy the entire world within 12 hours, would you want to know, or would you rather be kept in the dark?

Description : If scientists knew beyond a doubt that a huge asteroid was heading for the earth and would destroy the entire world within 12 hours, would you want to know, or would you rather be kept in the dark?

Last Answer : I’d rather know so I go out as I’d like, with my family.

If you knew this was your last day alive, what one principle would you most like to share with someone you love?

Description : If you knew this was your last day alive, what one principle would you most like to share with someone you love?

Last Answer : Wear sunscreen.

The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky bodies, a lumbering gait and stooped posture was (1) Ramapithecus (2) Homo habilis (3) Neanderthal human (4) Cro-magnan humans

Description : The extinct human who lived 1,00,000 to 40,000 years ago, in Europe, Asia and parts of Africa, with short stature, heavy eye brows, retreating for heads, large jaws with heavy teeth, stocky ... and stooped posture was (1) Ramapithecus (2) Homo habilis (3) Neanderthal human (4) Cro-magnan humans

Last Answer : (3) Neanderthal human

So let me get this straight, the Ewoks were going to roast them alive and then all of a sudden they become cute and cuddly?

Description : So let me get this straight, the Ewoks were going to roast them alive and then all of a sudden they become cute and cuddly?

Last Answer : Yes. I was going to flame you for mocking Star Wars, then i realized i should just answer you. People change. and if people can change, so can figments of some fat man’s imagination.

Out of 900 reported species of living gym- nosperms; conifers are represented by about 500 species; About 2;50;000 species of an- giosperms (flowering plants) have also been reported in the world. The vast and dominant woodlands in Europe; Asia; North America and mountains such as Himalayas are wooded with?

Description : Out of 900 reported species of living gym- nosperms; conifers are represented by about 500 species; About 2;50;000 species of an- giosperms (flowering plants) have also been reported in the ... and dominant woodlands in Europe; Asia; North America and mountains such as Himalayas are wooded with?

Last Answer : only conifers

The loss of a Speed Post article should be reported to the Police through FIR if the value of the contents of the article is: (A) 2500/- or more (B) 4,000/- or more (C) 5,000/- or more (D) 10,000/- or more

Description : The loss of a Speed Post article should be reported to the Police through FIR if the value of the contents of the article is: (A) 2500/- or more (B) 4,000/- or more (C) 5,000/- or more (D) 10,000/- or more

Last Answer : (C) 5,000/- or more

At the beginning of the year, Midtown Athletic had an inventory of $400,000. During the year, the company purchased goods costing $1,600,000. If Midtown Athletic reported ending inventory of $600,000 and sales of $2,000,000, the company’s cost of goods sold and gross profit rate must be a. $1,000,000 and 50%. b. $1,400,000 and 30%. c. $1,000,000 and 30%.

Description : At the beginning of the year, Midtown Athletic had an inventory of $400,000. During the year, the company purchased goods costing $1,600,000. If Midtown Athletic reported ending inventory of $600,000 and sales of $2,000,000 ... a. $1,000,000 and 50%. b. $1,400,000 and 30%. c. $1,000,000 and 30%.

Last Answer : b. $1,400,000 and 30%.

What is the total that would be reported for stockholders' equity at December 31, 2008? a. $102,000 b. $130,000 c. $144,000 d. $158,000

Description : What is the total that would be reported for stockholders' equity at December 31, 2008? a. $102,000 b. $130,000 c. $144,000 d. $158,000

Last Answer : b. $130,000

An asset of Rs.85,000 was purchased for Rs.75,000 and was recorded in the books at Rs.85,000. What is the correct amount of profit to be reported in the books? a) Rs.1,47,000 b) Rs. 1,51,000 c) Rs.1,63,000 d) Rs.1,41,000

Description : An asset of Rs.85,000 was purchased for Rs.75,000 and was recorded in the books at Rs.85,000. What is the correct amount of profit to be reported in the books? a) Rs.1,47,000 b) Rs. 1,51,000 c) Rs.1,63,000 d) Rs.1,41,000

Last Answer : b) Rs. 1,51,000

Supposing you could choose the family you were going to be born into, let's say you knew the circumstances you would be entering just before you came into this world. Would you choose the same parents again?

Description : Supposing you could choose the family you were going to be born into, let's say you knew the circumstances you would be entering just before you came into this world. Would you choose the same parents again?

Last Answer : No. Baby boomers are the worst.

What is the name of the worst person still alive today?

Description : What is the name of the worst person still alive today?

Last Answer : [deleted]

How many of the Armenian genocide survivors are still alive today 2018?

Description : How many of the Armenian genocide survivors are still alive today 2018?

Last Answer : What is the answer ?

Even if scientists find all the answers , aren't we still going to say what if they are wrong?

Description : Even if scientists find all the answers , aren't we still going to say what if they are wrong?

Last Answer : we always have, we always will

There was a man who everybody called Batman he knew nothing about bats and thought they were gross. He still loved it when people called him Batman! How could this be? -Riddles

Description : There was a man who everybody called Batman he knew nothing about bats and thought they were gross. He still loved it when people called him Batman! How could this be? -Riddles

Last Answer : He was the star baseball player!

What will happen to the lizard if snakes went extinct?

Description : What will happen to the lizard if snakes went extinct?

Last Answer : Any food chain or food web that included snakes would beaffected. The animals which the snakes preyed upon would no longerhave that population control and could overrun their niche.

What would happen if herons went extinct?

Description : What would happen if herons went extinct?

Last Answer : Any food chain or food web that included herons would beaffected. The animals that the herons preyed upon would no longerhave that population control and could overrun their niche.

What would happen if beluga whales went extinct?

Description : What would happen if beluga whales went extinct?

Last Answer : Need answer

What would happen if trout went extinct?

Description : What would happen if trout went extinct?

Last Answer : the fish that eat bull trout would become extinct and the fishthe bull trout eat would become over populated then the fish thatbecome overpopulated will eat all the fish

What will happen if butterflies go extinct?

Description : What will happen if butterflies go extinct?

Last Answer : Many of these are pollinators of various flowers. Those would go extinct.

If other fuels such as fossil fuels, etc. had not been discovered, would whales of today be raised in whale hatcheries for their whale oil, or would they be all but extinct do to the lust for their oil?

Description : If other fuels such as fossil fuels, etc. had not been discovered, would whales of today be raised in whale hatcheries for their whale oil, or would they be all but extinct do to the lust for their oil?

Last Answer : answer:A whale hatchery wouldn’t be too practical. They’d all be extinct now.

If the caucasian / white race were to become extinct would that bother you?

Description : If the caucasian / white race were to become extinct would that bother you?

Last Answer : I would be delighted.

If Michael Jackson was still alive and you was going to die, would you rather him or Marilyn Manson raise your kids and why?

Description : If Michael Jackson was still alive and you was going to die, would you rather him or Marilyn Manson raise your kids and why?

Last Answer : I don’t know enough about the true private lives of either of these people to answer. And neither do you.

One way in which passengers can be reassured during an emergency is: a. To regularly see members of the flight crew calmly moving about the cabin in a relaxed manner b. For the captain or first officer to keep a running commentary going over the PA c. For the cabin staff to ensure the passengers are aware of what is happening and that they are complying with instructions d. For the cabin staff to direct passengers’ attention to the emergency passenger brief cards and make sure that they have read them

Description : One way in which passengers can be reassured during an emergency is: a. To regularly see members of the flight crew calmly moving about the cabin in a relaxed manner b. For the ... to direct passengers' attention to the emergency passenger brief cards and make sure that they have read them

Last Answer : c. For the cabin staff to ensure the passengers are aware of what is happening and that they are complying with instructions

Someone comes up to you and states that an early species of ape could not have evolved into the first humans because both apes and humans are alive today. This person has failed to grasp the nature of A) polygenesis. B) monogenesis. C) cladogenesis. D) anagenesis.

Description : Someone comes up to you and states that an early species of ape could not have evolved into the first humans because both apes and humans are alive today. This person has failed to grasp the nature of A) polygenesis. B) monogenesis. C) cladogenesis. D) anagenesis.

Last Answer : C) cladogenesis.

Why are pandas going extinct?

Description : Why are pandas going extinct?

Last Answer : answer:Planet Earth: Temperate Forests had a segment on pandas. Apparently, they can only nurse one baby every several years, and even devoting all of their time to nursing a baby may ... habitat by the massive demands of the Chinese economy have created a situation entirely unsuitable for pandas.

Are Butterfly going extinct?

Description : Are Butterfly going extinct?

Last Answer : They may become extinct due to the lack of their habitats.

Does it comfort you in any way, that on Mu Ara d, 50 odd light years away from Earth, (potential) beings that direct their telescopes to our planet, could see our deceased loved ones when they were still alive?

Description : Does it comfort you in any way, that on Mu Ara d, 50 odd light years away from Earth, (potential) beings that direct their telescopes to our planet, could see our deceased loved ones when they were still alive?

Last Answer : They are seeing ghosts. Omae wa mo shindeiru.

If you knew when you were going to die, would you spend your money or life differently?

Description : If you knew when you were going to die, would you spend your money or life differently?

Last Answer : Yes, more travel while I had time to enjoy it.

Have you ever looked at your pet thinking you want to say something to it, changing your mind and remaining silent, and having your pet look at you like it knew what you were going to say?

Description : Have you ever looked at your pet thinking you want to say something to it, changing your mind and remaining silent, and having your pet look at you like it knew what you were going to say?

Last Answer : I have been studying my dog and she has very specific facial expressions I have come to learn the meaning of. She seems very amused when I do them back to her. Except she does not bring me dinner or even just a treat when I lick my lips at her.

Outlander Fans: if you knew you were going back and knew you only had one suitcase sized bag what would you bring?

Description : Outlander Fans: if you knew you were going back and knew you only had one suitcase sized bag what would you bring?

Last Answer : A history book or loads of notes from several history books. I don’t know if I could memorise all the facts I’d need to make the trip successful. Also, feminine hygiene products. I’m not ‘going on the rag’ the way they had to back then. Matches.

If you were friends with a couple, and you knew the girl was going to sabotage the birth control so she would get pregnant, would you tell the boyfriend?

Description : If you were friends with a couple, and you knew the girl was going to sabotage the birth control so she would get pregnant, would you tell the boyfriend?

Last Answer : Yes I would. I know someone very close to me who was set up like this by his GF and remember the pain and confusion that pregnancy caused them. It may seem like a good idea to her but she is being 100% selfish in setting him up the way she is planning to.

If you knew you were going to die, and were going to be allowed to choose one other state or one other country to visit first, which would you visit and why?

Description : If you knew you were going to die, and were going to be allowed to choose one other state or one other country to visit first, which would you visit and why?

Last Answer : I wouldn’t mind visiting Hawaii since I’ve never been there before and I’ve heard it is very beautiful. I think it would be quite satisfying and peaceful to see a beautiful place on my way to the hereafter.

If you knew you were going to die in 60 seconds, and you were allowed to write one last message to leave behind, what would you write?

Description : If you knew you were going to die in 60 seconds, and you were allowed to write one last message to leave behind, what would you write?

Last Answer : I would write that Candlejack is about to abdu