Naturalist Greg Greer

 

A lifelong naturalist, Greg Greer is one of IE's guest-favorite guides, having spent 11 years on-staff as an expedition leaders and photographer. Over the 20 years that he has been guiding tours, Greg has gained a reputation for his friendliness and good humor, along with his incomparable knowledge of natural history. Greg’s travels have taken him to 50 countries to see the most remarkable wildlife areas in the world, including Antarctica, Australia, India, Indonesia, Africa and of course, the Peruvian Amazon.naturalist guide greg greer

 


 

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An amazing fact in regards to the great egret, also known as the common egret: Not only is this a common bird in the Peruvian Amazon, but it is also a common resident over much of the United States.  Often, however, on ecotours, guests seem to be quite enamored by the 3 ½ foot tall birds not realizing that it’s the same bird they may have seen in their own home state!

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The monk saki is an unusual primate for many reasons. At first glance, they may appear to be an arboreal termite mound or a burl on a branch, but what gives them away as being a monkey is their very long tail, usually hanging straight down below the branch upon which they sit.

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If you've seen the movie “The Ghost and the Darkness,” you’ll know the strength and ferocity of the African lion when they are so inclined to harm people. This movie is based on a true historical event that took place in the Tsavo area during the late 1800’s. Two male lions killed 130 people over a period of nine months. Of course, with modern transportation and weapons, this type of long-term killing of people by an animal predator is a thing of the past. Today, there certainly are many human deaths caused by lions in Africa and tigers in India, but they are isolated instances.

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The giant Amazon water lily is the world’s largest water lily of the family Nymphaeaceae. Its massive leaves may exceed seven feet in diameter and visitors to the Peruvian Amazon are always greatly impressed by these absolutely amazing plants. There are a number of characteristics of this huge lily that most people are not aware of. For example, the leaves are extremely durable and the underside veins are lined with very large spines. The spines are strong enough to prevent their being food for aquatic and semi-aquatic animals like manatees and capybara. 

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At least once a day, International Expeditions’ travel planners field the question “When is the best time for a Galapagos cruise?” So, our favorite naturalist Greg Greer sat down to tackle this popular question.

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Most people do not think too kindly of caterpillars — especially those with flower or vegetable gardens — and certainly farmers, who do all that they can to rid their crops of the little eating machines.

When one considers the diversity of butterflies and moths, it is quite overwhelming. There are researchers who spend their entire lives searching out new species, and others who spend their lives trying to come up with new chemical technologies to wipe out insects, including caterpillars, that are harmful to crops.

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When most people hear the words “sea snake,” they immediately think of highly venomous snakes that inhabit marine (salt water) environments, just part of the reason sea snakes are greatly feared by many people. Most people also believe that sea snakes are only found in the Indo-Australian regions and the South China Sea, but sea snakes are much more wide ranging than that.

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The marine iguana is the only lizard species in the world that relies entirely upon the sea for its food. The marine iguana is indeed a very unique lizard. They are, to the casual observer, somewhat similar to other iguanids but other than appearance, everything else about the lizard is entirely unique to the species.

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The green anaconda is one of the world’s largest snakes. The reticulated python of Southeast Asia attains tremendous lengths, but they are not nearly as heavy bodied as large female green anacondas. A 20-foot-long female green anaconda may weigh well over 200 pounds. These snakes are semi-aquatic, spending a great deal of time submerged in floating vegetation such as water lettuce and water hyacinths.

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The plains zebra or Burchell's zebra is one of Africa’s iconic species and the population size is generally accepted to be around a half a million animals. The plains zebra is found from Kenya southward to Botswana and west from there to Northern Namibia. The plains zebra in the south are somewhat different in that each black striped appears to be shadowed in the white.

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