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The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian

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The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post Updated on: 21 Jan 2018, 02:02
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The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian Jackdaw, European Jackdaw or simply Jackdaw, is a passerine bird in the crow family. Found across Europe, western Asia and North Africa, it is mostly resident, although northern and Eastern populations migrate south in winter. Four subspecies are recognized, which mainly differ in the coloration of the plumage on the head and nape. Carl Linnaeus first classified the bird and described it formally, giving it the name Corvus monedula because of the bird’s supposed fondness for picking up coins (monedula is Latin for money). Later analysis of its DNA suggests that, with its closest relative, the Darian Jackdaw, it is an early offshoot from the genus Corvus, and possibly distinct enough to warrant reclassification in a separate genus, Coloeus. In fact, one authority, the International Ornithological Congress, has recently reassigned the two jackdaw species from the genus Corvus to the genus Coloeus.

Unlike many of its close relatives, the Western Jackdaw has a completely black-plumage with a grey nape and distinctive pale-grey irises. However, like those relatives, it is gregarious and vocal, living in small groups with a complex social structure in farmland, open woodland, on coastal cliffs, and in urban settings. An omnivorous and opportunistic feeder, it eats a wide variety of plant material and invertebrates, as well as food waste from urban areas. Western Jackdaws are monogamous (have only one mate at a time) and build simple nests of sticks in cavities in trees, cliffs, or buildings. About five pale blue or blue-green eggs with brown speckles are laid and incubated by the female. The young fledge (leave the nest) in four to five weeks, sooner than other jackdaws, and the average lifespan of the bird is approximately five years compared.

Q1: Which of the following can be inferred from the passage about the Darian Jackdaw?

(A) It is classified in the wrong genus
(B) It has a fondness for picking up coins
(C) It does not have black plumage
(D) It is found commonly in small groups
(E) It is a monogamous bird
Spoiler: :: OA
D



Q2: According to the passage, a Western Jackdaw found in the southern Hemisphere during the winter months would most likely ______________

(A) live in the easternmost portion of the bird’s habitat
(B) have migrated from another location
(C) have plumage with an unusual coloration
(D) have a greater life expectancy than most jackdaws
(E) have traveled a great distance from it’s usual habitat
Spoiler: :: OA
B



Q3: Which of the following can be properly inferred from the passage above?

(A) The Western Jackdaw eats more plant material and invertebrates than human food waste.
(B) The Western Jackdaw belongs to the genus Coloeus.
(C) The Western Jackdaw has only one mate throughout its lifespan.
(D) The Western Jackdaw is able to fly sooner than its close relatives.
(E) The Western Jackdaw is more social than its close relatives.
Spoiler: :: OA
d



Q4: Which of the following can properly be inferred about Carl Linnaeus from the passage above?

(A) He was the first to discover the Western Jackdaw.
(B) He believed that the Western Jackdaw was fond of coins.
(C) His classification of the Western Jackdaw was wrong.
(D) His prior classifications do not always agree with current DNA data.
(E) He was a member of the International Ornithological Congress.
Spoiler: :: OA
D


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Originally posted by akhil911 on 04 Dec 2014, 10:48.
Last edited by hazelnut on 21 Jan 2018, 02:02, edited 4 times in total.
Reformatted question
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 04 Dec 2014, 10:50
1
Question
Which of the following can be inferred from the passage about the Darian Jackdaw?

It is classified in the wrong genus
It has a fondness for picking up coins
It does not have black plumage
It is found commonly in small groups
It is a monogamous bird



Which of the following can be properly inferred from the passage above?

The Western Jackdaw eats more plant material and invertebrates than human food waste.
The Western Jackdaw belongs to the genus Coloeus.
The Western Jackdaw has only one mate throughout its lifespan.
The Western Jackdaw is able to fly sooner than its close relatives.
The Western Jackdaw is more social than its close relatives.


Which of the following can properly be inferred about Carl Linnaeus from the passage above?

He was the first to discover the Western Jackdaw.
He believed that the Western Jackdaw was fond of coins.
His classification of the Western Jackdaw was wrong.
His prior classifications do not always agree with current DNA data.
He was a member of the International Ornithological Congress.


According to the passage, a Western Jackdaw found in the southern Hemisphere during the winter months would most likely ______________

live in the easternmost portion of the bird’s habitat
have migrated from another location
have plumage with an unusual coloration
have a greater life expectancy than most jackdaws
have traveled a great distance from it’s usual habitat
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post Updated on: 12 Aug 2016, 07:23
1
1
The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian Jackdaw, European Jackdaw or simply Jackdaw, is a passerine bird in the crow family. Found across Europe, western Asia and North Africa, it is mostly resident, although northern and Eastern populations migrate south in winter. Four subspecies are recognized, which mainly differ in the coloration of the plumage on the head and nape. Carl Linnaeus first classified the bird and described it formally, giving it the name Corvus monedula because of the bird’s supposed fondness for picking up coins (monedula is Latin for money). Later analysis of its DNA suggests that, with its closest relative, the Darian Jackdaw, it is an early offshoot from the genus Corvus, and possibly distinct enough to warrant reclassification in a separate genus, Coloeus. In fact, one authority, the International Ornithological Congress, has recently reassigned the two jackdaw species from the genus Corvus to the genus Coloeus.

Unlike many of its close relatives, the Western Jackdaw has a completely black-plumage with a grey nape and distinctive pale-grey irises. However, like those relatives, it is gregarious and vocal, living in small groups with a complex social structure in farmland, open woodland, on coastal cliffs, and in urban settings. An omnivorous and opportunistic feeder, it eats a wide variety of plant material and invertebrates, as well as food waste from urban areas. Western Jackdaws are monogamous (have only one mate at a time) and build simple nests of sticks in cavities in trees, cliffs, or buildings. About five pale blue or blue-green eggs with brown speckles are laid and incubated by the female. The young fledge (leave the nest) in four to five weeks, sooner than other jackdaws, and the average lifespan of the bird is approximately five years compared.
Question
Which of the following can be inferred from the passage about the Darian Jackdaw?

It is classified in the wrong genus
It has a fondness for picking up coins
It does not have black plumage
It is found commonly in small groups
It is a monogamous bird

According to the passage, a Western Jackdaw found in the southern Hemisphere during the winter months would most likely ______________

live in the easternmost portion of the bird’s habitat
have migrated from another location
have plumage with an unusual coloration
have a greater life expectancy than most jackdaws
have traveled a great distance from it’s usual habitat

2.Which of the following can be properly inferred from the passage above?

a) The Western Jackdaw eats more plant material and invertebrates than human food waste.
b) The Western Jackdaw belongs to the genus Coloeus.
c) The Western Jackdaw has only one mate throughout its lifespan.
d) The Western Jackdaw is able to fly sooner than its close relatives.
e) The Western Jackdaw is more social than its close relatives.

Spoiler: :: OA
d


3.Which of the following can properly be inferred about Carl Linnaeus from the passage above?

a) He was the first to discover the Western Jackdaw.
b) He believed that the Western Jackdaw was fond of coins.
c) His classification of the Western Jackdaw was wrong.
d) His prior classifications do not always agree with current DNA data.
e) He was a member of the International Ornithological Congress.

Spoiler: :: OA
D


Originally posted by rajthakkar on 06 Mar 2015, 02:58.
Last edited by JarvisR on 12 Aug 2016, 07:23, edited 1 time in total.
Consolidated the Qs in one post.
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 09 Jul 2016, 08:19
I see answers to only 2 of the questions from rajthakkar's post. Can someone please provide all of the OA?

My answers are : C , D , D , B
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 12 Aug 2016, 08:27
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Does anyone have OAs for this passage?
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 10 Mar 2017, 23:40
1
JarvisR wrote:
Does anyone have OAs for this passage?


I know its too late for the OA's. But this is a very good RC question.
1- D
2- B
3- D
4- D
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 09 Apr 2017, 12:14
Good RC question. My takes are -
1. A
2. B
3. B
4. D

OA please.
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 20 Apr 2017, 19:36
can we not only get OAs but explanations too?

specifically, let's start w/:

Question:
Which of the following can be inferred from the passage about the Darian Jackdaw?


It is classified in the wrong genus
It has a fondness for picking up coins
It does not have black plumage
It is found commonly in small groups
It is a monogamous bird

and

Question
According to the passage, a Western Jackdaw found in the southern Hemisphere during the winter months would most likely ______________


live in the easternmost portion of the bird’s habitat
have migrated from another location
have plumage with an unusual coloration
have a greater life expectancy than most jackdaws
have traveled a great distance from it’s usual habitat
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 19 Aug 2017, 09:03
Hey ! help is needed, just took the veritas CAT (was totally hard)

Can someone help with Q1?
I understand that Darian Jackdaw (DJ) is the closest relative of the Westren Jackdaw (WJ).
but when talking about "many of its close relatives" (and not "all of its close relative") and assuming that the DJ also have the same exact feature is not too far assumption?
lets say for example - a group of relatives DJ included and the DJ is the closest to the WJ but one thing it isn't found in small groups - isn't it enough to say that we can't infer it?
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 13 Sep 2017, 20:51
I chose B for the last question and it is wrong. Can anyone explain it?
Thank you!
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 14 Sep 2017, 02:00
1
ttdontcry wrote:
I chose B for the last question and it is wrong. Can anyone explain it?
Thank you!



Hey, I chose D for the last question and even I was confused between B and D.

The only reason I thought D is a better option than B was that the passage says, "WJ was fond of picking up coins" while the answer option says, "Carl believed WJ was fond of coins". There's a little change of meaning there.

Hope that helps!
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 14 Sep 2017, 09:33
Hi ,

Can someone help me in clearing doubt in question 3.

I was confused between Option B and Option D.

First passage states that the bird was move from Corvus to the genus Coloeus. (makes option B correct)

Second passage states that bird leaves nest earlier ,compared to relatives . (Makes option D correct assuming leaving nest is equivalent to started flying)


Thanks!
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 01 Jan 2018, 19:20
BloomingLotus wrote:
Hi ,

Can someone help me in clearing doubt in question 3.

I was confused between Option B and Option D.

First passage states that the bird was move from Corvus to the genus Coloeus. (makes option B correct)

Second passage states that bird leaves nest earlier ,compared to relatives . (Makes option D correct assuming leaving nest is equivalent to started flying)


Thanks!


Hi. Hope that my answer is not too late (just took a Veritas CAT yesterday).

The bird was move from Corvus to Coloeus... not mean 100% that the new classification is correct.

Actually, it is just...

and POSSIBLY distinct enough to warrant reclassification in a separate genus, Coloeus.
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 05 Jan 2018, 00:07
Its a good passage; however, i found answer choices for question 2 and 3 too general.
first of all, it was the young western jackdaw that can fly sooner than other jackdaws...so simply writing western jackdaw can fly sooner than other relatives make it too general and i have to think like 3 mins either i should pick this choice or not because even a single word make the option wrong.
and for question 3 *do not always* agree with DNA tests.....Now we know that passage mention that later analysis of DNA but no where it is mentioned that His prior classifications do not *always agree* with current DNA data.
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 20 Jan 2018, 20:12
Can someone please post an OE for all the questions?
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 20 Jan 2018, 20:31
Can someone please explain why option C is wrong in the 1st question?
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The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 25 Jan 2018, 07:49
csaluja wrote:
Can someone please explain why option C is wrong in the 1st question?

the passage says : Unlike many of its close relatives, the Western Jackdaw has a completely black-plumage with a grey nape
which means some have of its close relatives may or maynot have a complete black-plumage but not all. We cannot absolutely be sure about that, hence certain ambiguity exists. Therefore Option C is incorrect
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The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 25 Jan 2018, 08:43
csaluja wrote:
Can someone please explain why option C is wrong in the 1st question?


Passage excerpt: Unlike many of its close relatives, the Western Jackdaw has a completely black-plumage with a grey nape and distinctive pale-grey irises.

abbreviation: black-plumage (B)
grey nape and distinctive pale-grey irises (GN)
Western Jackdaw (WJ)

This line says:
WJ has (B+GN)
Other close relatives don't have the combination of 'B+GN'

Here we cannot infer that other relatives don't have 'B'. It is possible that they have B + yellow nape, for example, or simply a B.

Hence, C is incorrect.
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 20 Feb 2018, 20:22
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Please help in explaining questions 1 and 4
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian  [#permalink]

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New post 17 Mar 2018, 11:16
Can somebody please help with questions 3 and 4?
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Re: The Western Jackdaw (Corvus monedula), sometimes known as the Eurasian &nbs [#permalink] 17 Mar 2018, 11:16

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