Question 1

How do you say insectivore?

Accepted Answer

Insectivore is pronounced in-SEK-tih-vor. The stress lands on the second syllable, SEK, so you say it with a little extra punch there. Break it into four parts: in, SEK, tih, vor, and say them together smoothly. Once you have it, it is actually one of the easier diet words to remember because you can clearly hear the word insect hiding inside it.

Question 2

What does insectivore mean?

Accepted Answer

Insectivore means an animal that eats insects as its main food source. The word comes from two Latin roots: insectum, meaning a notched or segmented creature, and vorare, meaning to devour greedily. So an insectivore is literally a greedy devourer of segmented creatures. Animals from tiny shrews to giant pangolins to many birds and lizards all qualify as insectivores.

Question 3

Were any dinosaurs insectivores?

Accepted Answer

Yes, quite a few dinosaurs were insectivores or at least ate insects as a major part of their diet. Small feathered dinosaurs like Microraptor and Epidexipteryx are strong candidates based on their body size, tooth shape, and in some cases preserved stomach contents. Many small theropod dinosaurs had tiny sharp teeth perfect for snapping up large insects and other small prey. Scientists use fossil evidence like tooth shape and coprolites to figure this out.

Question 4

What is the difference between an insectivore and a carnivore?

Accepted Answer

A carnivore is any animal that eats other animals, and an insectivore is a more specific type of carnivore that focuses on insects in particular. All insectivores are technically carnivores because insects are animals, but not all carnivores are insectivores. A lion eating a zebra is a carnivore but not an insectivore. A bat eating moths every night is both a carnivore and an insectivore.

Question 5

What modern animals are insectivores?

Accepted Answer

Loads of modern animals are insectivores. Bats, shrews, moles, hedgehogs, echidnas, pangolins, aardvarks, and anteaters all rely heavily on insects. Most frogs, many lizards, and the majority of songbirds are insectivores too. Even some plants like the Venus flytrap and sundew are classified as insectivores because they trap and digest insects to get nutrients they cannot get from the soil.

Question 6

Can plants be insectivores?

Accepted Answer

Yes, and it is one of the coolest things in all of biology. Carnivorous plants like Venus flytraps, pitcher plants, sundews, and bladderworts are all considered insectivores because they trap and digest insects and other small animals. These plants evolved in swampy soils that are very low in nitrogen and phosphorus, nutrients most plants get from the ground. Since they could not get those nutrients from the soil, they evolved ways to get them from insects instead.

Question 7

How do scientists know a dinosaur was an insectivore?

Accepted Answer

Scientists use several clues to identify insectivore dinosaurs. Tooth shape is a big one: insectivores tend to have small, sharp, closely packed teeth suited for piercing insect exoskeletons. Fossilized droppings called coprolites sometimes contain preserved insect parts like beetle wing covers. Some exceptional fossils even preserve stomach contents between the ribs, directly showing what the animal last ate. Body size and limb proportions also help scientists make educated guesses about what a dinosaur was capable of hunting.

Question 8

What did insectivore dinosaurs look like?

Accepted Answer

Most insectivore dinosaurs were small and lightly built, since chasing insects does not require massive bulk. Many were feathered, bird-like creatures with long nimble fingers and quick reflexes. Epidexipteryx had elongated fingers for digging grubs out of wood, similar to the modern aye-aye lemur. Microraptor was crow-sized with four wings and could likely move through trees and undergrowth with agility. Their small sharp teeth were very different from the large blade-like teeth of big predatory dinosaurs.

Question 9

Is a frog an insectivore?

Accepted Answer

Most frogs are indeed insectivores, especially as adults. They use their long sticky tongues to snap up flies, beetles, moths, crickets, and other insects with remarkable speed. Some larger frog species are more accurately called carnivores because they also eat small mice, fish, and even other frogs. But the majority of the roughly 7,000 known frog species depend on insects as their primary food source and are correctly called insectivores.

Question 10

What is the biggest insectivore alive today?

Accepted Answer

The giant anteater of South America is often considered the largest dedicated insectivore alive today, reaching up to 7 feet long and weighing up to 140 pounds. It eats almost exclusively ants and termites, consuming up to 35,000 insects in a single day using its incredibly long sticky tongue. The pangolin is another large insectivore, with the giant pangolin of Africa reaching about 5 feet long. Aardvarks, which can weigh over 150 pounds, also qualify as very large insectivores.

Question 11

Why do some animals only eat insects instead of bigger prey?

Accepted Answer

Insects are incredibly abundant, so for a small animal they represent a reliable and energy-rich food source that does not fight back dangerously. A shrew or small dinosaur simply could not overpower a large animal anyway, but it can easily catch thousands of insects. Insects are also packed with protein, fat, and important nutrients. For small animals, specializing in insect-eating is a very efficient survival strategy because the prey is everywhere and the energy cost of catching it is relatively low.

Question 12

Are humans insectivores?

Accepted Answer

Humans are not typically classified as insectivores because we are omnivores who eat a huge variety of foods. However, about 2 billion people around the world do regularly eat insects as part of their diet, a practice called entomophagy. Crickets, mealworms, grasshoppers, and beetle larvae are eaten in many cultures across Asia, Africa, and Latin America. Insects are actually highly nutritious, with more protein per gram than beef, and there is growing interest in insect-based foods in Western countries too.

Question 13

What is entomophagy and how is it different from being an insectivore?

Accepted Answer

Entomophagy specifically refers to the human practice of eating insects as food, from the Greek words entomon meaning insect and phagein meaning to eat. An insectivore is an animal whose diet is dominated by insects as a biological necessity or strong behavioral tendency. Entomophagy is more of a cultural or dietary choice within a species that could eat many other things. So a pangolin is an insectivore by nature, while a person who eats cricket flour protein bars is practicing entomophagy.

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