Brown Creeper


Brown creeper (Certhia americana)

Background:
The brown creeper is a small, forest dwelling bird, one that is often overlooked because it lacks flashy colours and rarely comes to feeders. It appears that some creepers will migrate during winter, though they are regularly found during the Christmas bird counts.

Identification:

A brown creeper is about the same length as a black-capped chickadee, though much more slender. It has a relatively long, thin tail and a beak that curves down. The throat and breast are light-coloured, and the mottled brown back makes it blend in well with the trunks of trees. They will often remain quite still against trees in order to avoid detection. The song of a brown creeper is quite high and musical and is a good way to find them in the spring.

Habitat:

Creepers are generally found in softwood or mixed woodlands with enough dead trees for nesting sites. They also prefer moist areas. They are often found in mixed flocks, with chickadees, nuthatches, kinglets and woodpeckers.

Feeding:

Unlike the much more common red-breasted nuthatch, which usually spirals down trees in search of insects, the brown creeper tends to forage upwards. It will circle the tree as it is climbing, then fly down to the base of another tree to start the search all over again. Creepers glean caterpillars, small beetles, ants, spiders and true bugs from the bark and crevices in trees. In winter, when there are less insects, they will also eat seeds and nuts. They occasionally come to feeders to feed on suet.

Nesting:

Brown creepers make unusual nests under a loose piece of bark, usually on a dead balsam fir tree. Twigs and bark are brought in to form the base of the nest, on top of which grasses, feathers, mosses and shreds of bark are placed. The female lays 4-8 eggs and the young hatch after about two weeks. In another two weeks the young have fledged and are ready to leave the nest.

Conservation:

Following the nesting habits of creepers and many other birds can give you some insights into more wildlife-friendly methods of forest management. When walking through your woodlands, that dead balsam fir with the loose bark might look like its providing little “value” for the forest. Yet that is precisely the place where brown creepers will often nest. It is also clear that harvesting should take place outside of the nesting season (May to early June), since both the birds and the nests are difficult to see. Though we know little about this bird, it does help control forest insects and may actually have an important role to play in forest health. Besides that, as part of the natural biodiversity of our forests it has value in itself. We are starting to learn more about the incredible value of dead trees in forests and this is just one more example of how we all need to learn more about what makes up a healthy forest ecosystem.

Upcoming Events

Jul
6
Mon
9:00 pm Summer Camp: Young Ecologists Se...
Summer Camp: Young Ecologists Se...
Jul 6 @ 9:00 pm – Jul 10 @ 3:00 pm
Young Ecologists: Session One This camp will begin to introduce the campers to the amazing complexity of our native Acadian forests. They will dissect owl pellets, take part in forest restoration planning and plantings and
Jul
13
Mon
9:00 pm Summer Camp: Nature Discovery Se...
Summer Camp: Nature Discovery Se...
Jul 13 @ 9:00 pm – Jul 17 @ 3:00 pm
Nature Discovery: Session One This camp will introduce the children to the woods, stream and native tree nursery that surround our Nature Center. The campers will delight in learning to use all their senses to
Jul
20
Mon
9:00 pm Summer Camp: Becoming a Naturali...
Summer Camp: Becoming a Naturali...
Jul 20 @ 9:00 pm – Jul 24 @ 3:00 pm
Becoming a Naturalist Session One This camp focuses on encountering and describing the natural world. Through the use of art and other hands-on outdoor activities, they’ll expand their understanding of life in the woodlands, waterways,
Jul
25
Sat
10:00 am Tracking the Mammals of PEI
Tracking the Mammals of PEI
Jul 25 @ 10:00 am – 11:30 am
Come on out and learn about the native and introduced mammals found on PEI, as well as a brief look at some of the mammals we’ve lost. After a brief slideshow, we’ll head off to
Jul
27
Mon
9:00 pm Summer Camp: Bushcraft Ecology A...
Summer Camp: Bushcraft Ecology A...
Jul 27 @ 9:00 pm – Jul 31 @ 3:00 pm
Bushcraft Ecology Ages 12-14 These campers will delight in learning survival skills such as one-match fire making, shelter building, rope making with natural fibres, and tracking animals. Touching on plant and tree identification, campers will

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