an adult deer looking through tall grass

Adult deer will continue to hide rather than approach their fawns if humans are too close.

Nature Mysteries

The Nature Program is bringing some natural science to you by answering your questions about Raleigh's Nature Mysteries! 

Do you have a Nature Mystery question? We'd love to hear from you!

Email questions and photos to WilkersonNaturePreserve@raleighnc.gov Look for more answers to Raleigh's Nature Mysteries coming soon!

What are These Small Red Berries on the Forest Floor?

Sometimes small plants go unnoticed until a pop of color draws your attention. In the fall, the red fruit of the Partridgeberry (Mitchella repens) might be one of the small plants that catch your eye.

a small red berry on a plant with green leaves

Small red berries appear in the fall and persist through the winter, providing a seasonal food source for wildlife.

This small evergreen plant grows only a few inches tall, but spreads widely across the forest floor. The dark green leaves are generally no more than a half inch across.  It grows in fully shaded areas and is commonly found under the trees in mixed or deciduous forests. It prefers humus-rich soils but can also be found in sandy or loamy soils.

a green leaf plant on the ground

Example of partridgeberry’s sprawling growth pattern.

In the spring it grows pairs of small white flowers which attract insects which feed from its nectar and pollinate the flowers.  When the petals fall off the immature fruit remains green and easy to overlook for the summer.  By fall each pollinated flower may form a red fruit.  These berries sometimes persist through the winter, providing a seasonal food source for animals such as birds, deer, mice, raccoons and foxes.

pairs of white flowers on a plant with green leaves

Pairs of white flowers appear in the spring to attract insects for pollination.

On your next hike, look out to see if you can spy this plant on the forest floor!  You may be surprised by how much is hiding among the leaf litter!

Does Goldenrod Make You Sneeze?

Welcome, Fall! Shorter days, cooler temperatures - some of us also welcome another aspect to the season: Allergies. Many people are allergic to the pollen released by ragweed in the fall. Some may attribute the culprit to a different plant: goldenrod. The two flowers release pollen at the same time of year. Some people become sneezy and attribute the showy goldenrod flowers as the culprit. But the real culprit is the less showy ragweed flowers.

fields of the goldenrod plant

Fields of goldenrod usually appear at the same time that ragweed pollen is in the air. But it’s not these yellow flowers that make you sneeze!

There are many species of goldenrod, but they are known for their small golden-yellow flowers. The plants often grow in bunches, sometimes creating fields of tall yellow flowers. These flowers are bright and showy to attract hundreds of species of pollinating insects to feed on the nectar inside each flower and to take pollen to other flowers. Goldenrod pollen is so sticky and heavy that it relies entirely on pollinators to visit their flowers to move the pollen. This pollen is too heavy to become airborne and therefore does not have a chance to float around or make you sneezy.

a yellow flower with small petals and a winged insect on it

There are different species of goldenrod, but all have yellow, nectar-filled flowers that attract a variety of beneficial pollinators.

Ragweed on the other hand has less showy flowers, and does not even contain nectar to attract pollinators. The pollen grains of ragweed are small and wind-dependent. These small pollen grains become airborne to travel to other flowers and therefore may be the plant that is making you sneezy.

a green ragweed plant with small leaves and seeds

Ragweed doesn’t have nectar or showy flowers to attract pollinators. It depends on wind to carry pollen to other flowers.

However, since both flower at the same time, some look outside and blame the yellow flowers.  That’s not to say that ragweed is unimportant. Even though it’s not a food source for pollinators who are looking for nectar, ragweed seeds and foliage are an important source of food for many animals. Ragweed seeds are oil- and fat- rich that last into the winter to sustain many species of birds such as sparrows and goldfinches.  The leaves are eaten by a variety of plant-eating mammals.  The leaves provide an important food source for caterpillars and beetles, which also helps to provide protein for insect-eating songbirds with growing chicks in the nest.

Next time you see a flowering goldenrod, look closely to see how many pollinators might be on it- and rest assured that getting closer shouldn’t make you sneeze.

Is This Baby Deer Abandoned?

Springtime is when we see a lot of new wild babies, including baby deer, called fawns.  After a gestation period of about 200 days, deer fawns are born between April and August, with peak fawning season in May and June. Female deer typically give birth to a single fawn in their first year but may have twins or even triplets in the following years.

While adult deer are large animals, within the food web, their fawns are prey to many predators.  Since deer are mammals, fawns feed on their mother’s milk for the first couple of months after they’re born.  Therefore, they do not need to travel with their mother to find plant food. In fact, it would be more dangerous for the fawn to do this, as adult deer roam considerable distances to find the best plants to browse. 

a fawn laying on grass and leaves

This fawn is not abandoned. It was left here by its mother who remains nearby.

Fawns are born with spots, which can help them camouflage in the forest leaves and grasses.  Deer mothers may leave their fawns alone in leafy hiding places for up to 12 hours, while the mothers feed.  Although a fawn can walk, the fawn’s instinct is to stay put.  Fawns stay hidden and quiet because at this stage, the fawns are vulnerable to predation by larger animals such as coyotes, bobcats, and black bears.  

In addition to needing time to feed, the mother’s instinct to stay away from their fawns for hours at a time helps prevent predators from easily finding their fawns.  A mother deer will often move her fawn when she returns, even if only to a short distance away from the original hiding place, to help confuse predators.

a fawn laying on grass and leaves on the side of the road

Can you find the fawn? This fawn was left more in the open than most hiding places. 

If you see a fawn, the best thing to do is to leave it alone.  It is a myth that a mother will not care for the fawn if a human touches it. However, for many other safety reasons it is best not to touch or move a fawn.  Check back in 8-12 hours and see if the fawn has been moved by the mother - usually the mother will come for it when you are not present.  Remember, as a prey animal, the mother might not trust humans, either!  If you remain near the fawn you may be preventing the mother from approaching.  Call a wildlife professional only if you know that a fawn has been left for well over 12 hours, if it’s clearly injured, or if it has been crying out for hours.

Fawns wean from their mother’s milk at about 10-12 weeks old.  At this point you’ll see the still-spotted fawns grazing with the adults more often. They gradually lose their spots by about 4 months of age.

an adult deer looking through tall grass

Adult deer will continue to hide rather than approach their fawns if humans are too close.

While it can be exciting to see a fawn, remember not to disturb it in its resting place. Take a photo from a distance, make sure pets are kept out of the area, and check back for it later. While young fawns may appear to be abandoned, they’re actually exactly where they are supposed to be.

Contact

 

Do you have a Nature Mystery question? We'd love to hear from you!

Email questions and photos to Bonnie.Eamick@raleighnc.gov 

Look for more answers to Raleigh's Nature Mysteries coming soon!

Lead Department:
Parks, Recreation and Cultural Resources

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