Wild Birds Unlimited, Sewell, NJ

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Bird of the Month
Northern Mockingbird

Fun Facts

Since the early 1900s, the Northern Mockingbird has expanded its range into the northern United States and southern Canada.  The development of farmland and suburban areas has probably assisted in this expansion.

Northern Mockingbirds have been known to so skillfully imitate sounds such as squeaky gate hinges, sirens, and barking dogs that even an acoustical analysis could not tell the difference between the mockingbird and the original sound.

Mockingbird’s Latin name, Mimus polyglottus, means “many-tongued mimic”.  A Northern Mockingbird may know more than 200 songs, and it continues to learn new songs throughout its life.

Northern Mockingbirds are noisy and relentless singers that will sing well into the night, especially during periods when the moon is bright.  The majority of these night-time vocalists are bachelor males that apparently want all to know they are alone and available.

Fun Facts Continued

Northern Mockingbirds are capable of singing more than 1,000 songs per hour.  Mockingbirds are such entertaining imitators of other bird calls that, at one time, they were sold in pet stores as mimic songbirds.

They’re known to open their wings to “flash” their large white wing patches while running or walking on the ground.  The purpose for this is not understood, but it may be an attempt to find insects by startling them into moving or it might be a scare tactic to frighten predators.

Northern Mockingbirds are typically monogamous, at least through the breeding season, with some pairs staying together for life.  Research has recorded some mated pairs staying together for as long as eight years.

Adult Northern Mockingbirds will spend most, if not all of the year living together in their territory.  Nest building is a cooperative task with males mainly building the twig foundation while the females construct the lining.

Pairs have two to three broods per year.  Broods overlap and females will incubate the next set of eggs while the males tend to the needs of the new fledglings from the previous nest.  Each brood consists of an average of 3-5 eggs.

Mockingbirds’ diets consist of equal amounts of fruit and arthropods (insect and spiders). Northern Mockingbirds will eat cicadas by using their wings to knock these large insects to the ground in order to capture them with their bill.

 

This past winter, I had the privilege to have a very attentive mockingbird eat my mealworms.  It was early February and our front yard was loaded with Robins.  I began putting out a pie tin with live mealworms and suet snack balls.  One morning as I put out the filled pie tin; there was a quick swoosh next to me and there less than 2 feet from me was a mockingbird eyeing the food snacks in the tin.  I then noticed he/she had only 1 white tail feather!   As he flew to the nearby holly tree; his flight pattern was very erratic and at low altitude.  I wondered whether he was pounced upon by a cat and lost his tail feathers as he flew to save his life! 

 

So every morning at 6:30 am,  he met me at the pie tin to feast on mealies and suet pieces.  I then decided, since his flight capability was so poor (but hilarious), to offer him his goodies in the window box so he would be safer.  Throughout the months, his tail feathers grew in and upon the arrival of spring weather, he was much more cautious in his behavior when eating the mealworms.  Soon he was no longer "my date" in the morning.  I can only speculate that he found his own mate and territory and started a family on his own.  How I wish I was a photographer!  Best, Sharon

 

For more information on mockingbirds, please visit www.rightbird.com


 

 

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