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NATURETALK

NRT'S FUN BLOG ABOUT ALL THINGS NATURE.
READ ON TO LEARN MORE ABOUT NATURE IN YOUR WORLD.

Imitation is the sincerest form of survival

1/7/2021

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There are many ways that animals have evolved over time contributing to their successfulness as a species. Many of these useful adaptations are related to making animals less noticeable either from predators, if they are to avoid being eaten, or from prey if they are trying to be successful hunters. When thinking about characteristics that keep animals from standing out, we tend to only think of camouflage, but there are a lot of other really awesome methods of animal deception within the natural world. One of which is in the form of mimicry!
 
Mimicry is an adaptation that we can see in all branches of the animal kingdom. It shows up in birds, mammals, reptiles, amphibians, fish and invertebrates! Mimicry itself is a very broad trait and some forms of camouflage definitely fall within the umbrella description. In basic terms, mimicry is when an organism closely resembles another organism, or, in the case of camouflage, it can be when an animal closely resembles something like a rock. Below are two exceptional examples of insect mimicry within the animal world from imitating harmful animals to avoid predation to aggressive mimicry for luring in prey! Can you think of any animals you know of that might be mimicking another species?


To Bee or Not to Bee
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Fly mimicking a bee
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Fly mimicking a bee
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Honeybee at flower
Although it doesn't happen too often, a sting from a bee or a wasp is something a human doesn't forget. Well, the same goes for animals! The stinger is an extremely effective defense mechanism for both bees and wasps all around the world. Especially when interacting with smaller predators such as birds. These negative interactions make predators more keen to avoid the stinging insects if they've ever had a bad experience with one. One group of insects that benefits from the bee's reputation in the animal world is the fly!

Many flies have evolved coloration similar to that of bees and wasps (distinct black and yellow stripes) because they are less likely to be eaten by predators who target small insects! There are some characteristics that distinguish the two groups of insects, one of which being that bees have two pairs of wings and flies only have one pair, but without being able to make thorough observations, predators will avoid anything that resembles the stinging bee. 

This type of mimicry is known as Batesian mimicry and is described as when a harmless species mimics a harmful species to avoid predation or negative interactions with other animals. Named for British Naturalist, Henry Walter Bates, who studied mimicry extensively on Amazonian butterflies. 
A Flashy Disguise

Not all animals will mimic for protection from predators, some critters will mimic other species so that they can prey on them! This often happens with beetles and spiders mimicking the appearance and even the chemical pheromones of ants to infiltrate their colonies, but one of the flashier examples of this mimicry can be seen in fireflies! 

Although firefly flashes may look random to humans, they are actually very precise signals for communication between males and females. Female fireflies will usually stay in one spot while male fireflies fly around and both will display specific light sequences to attract the other. Almost unbelievably, firefly light sequences change from species to species and males of one species know exactly what their female light signals are and vice-versa. Fireflies do not respond to the light sequences of fireflies of different species. Unless, of course, they are being tricked!

There is one species of firefly (it should be mentioned that fireflies are actually beetles despite their name) that will eat the males of another species of firefly. To do this with ease, the females will mimic the flashing of the females of their prey! As males fly by, they are attracted to what they think is a female of their own species and land right next to it. Upon landing, the male will flash its sequence of lights confirming who he is and then, the mimicking firefly will attack and eat the male! 
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Firefly eating another firefly

This form of mimicry used to trick other species into harmful situations, such as easily becoming an item of prey, is known as aggressive mimicry. 
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Natural Resources Trust of Easton 
PO Box 188
307 Main Street
 N.Easton, MA 02356
Info@nrtofeaston.org
508-238-6049

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  • Home
    • About >
      • Sheep Pasture Property Use Information
      • Publications & Brochures
      • NRT's Elise Ames Parker Award >
        • Elise Ames Parker Award 2018
        • Elise Ames Parker Award 2019
        • Elise Ames Parker Award 2020
      • A Life Well Lived: Lyn White
      • A Champion of Conservation: Ginny Reusch
      • NRT's Sheep Pasture >
        • Seasonal Visitor Updates and Information
        • Sheep Pasture Trail Map
      • NRT Land Stewardship
      • Staff
      • Board of Directors
      • Directions
      • Frequently Asked Questions
  • Education
    • NRT School Programs >
      • On-Site Programs
      • In-School Programs
      • Programs for Young Children
      • Virtual School Programs
    • Private Group Programs >
      • Adult Programs
      • Pre-K Programs
    • Summer Camp & Leadership Youth Programs
    • Sheep Pasture Vacation Programs
  • Events
    • Harvest & Craft Fair
    • Sheep Pasture SPOOKTACULAR
    • Spring Farm Festival
    • Family Science Outings
  • Resources
    • Current Weather at Sheep Pasture
    • Photographer Info
    • Partners & Community Contacts
    • Animal Resources
    • Conservation Resources
    • Gold Award Scavenger Hunts
  • Giving to NRT
  • NRT Store
    • Sheep Pasture Nature Camp
    • Leadership Youth
    • NRT Memberships
    • Specialty Donations to NRT: Simba Memorial
  • Contact
    • Contact Us
    • Community Gardens
    • Property Rentals
    • Sheep Pasture Eggs
    • Support NRT >
      • Membership
      • Volunteer/Internships
      • Wish List
    • Employment Opportunities
    • Website Inquiries