Nature in L.A.

Showing posts with label : birds

June 23, 2011

Camera Trapping

Last week Sam got an awesome package in the mail, our new camera trap! On Monday afternoon he set it up behind the Butterfly Pavilion to see if it worked. We were also curious to see if we'd capture any interesting images. Boy were we in for a surprise!

Night 1: Monday pm-Tuesday am

Our first cat tail caught on camera! We've known for a long time about the feral cats, Felis catus, that live in Exposition Park, but we weren't expecting to capture one of them on camera so quickly.

Just over an hour later this Opossum, Didelphis virginiana, sidled into view. Again we knew they were around as we'd seen their tracks in...

May 26, 2011

The Birds, the Bees, and the Fecal Sacs

I know you've seen a lot of still images from the Black Phoebe, Sayornis nigricans, nest, but I just had to share this footage. Honestly, it is too good not to post.

At the beginning of the video you'll see one of the adults (hard to tell if it's the mom or dad, they both help to care for the nestlings) feeding a European Honey Bee, Apis mellifera, to one of the young. This in and of itself is pretty awesome to see, but it gets even better! Remember the Bushtit post? I told you all about how some species of birds produce fecal sacs, to make it easier to keep the nest clean and disease free. Well, Black Phoebes also produce fecal sacs, and this video gives you an insight to this behavior. I'll let you judge for yourself whether you think it's gross, cool, or just plain interesting.

May 6, 2011

Black Phoebes Build Nest

More Nest Surveillance

This week we found another active bird nest! This nest belongs to a pair of Black Phoebes, Sayornis nigricans, and is built under the eaves of the Rose Garden maintenance shed. Once again this find is thanks to Kimball Garrett, who noticed the nest Monday morning on one of his regular Expo Park bird surveys. 

 Footage of the phoebe landing on her nest

Naughty Neighbors

This is the second nest Kimball has found in this location this year, but it is a site that has been used by phoebes in past years. Unfortunately, this year's first nest was disturbed by unknown causes, but it is possible that a squirrel is to blame. Eastern Fox Squirrels, Sciurus niger, are very common in Expo Park, and they are known nest predators. When they locate a nest they will eat any eggs or young birds they...

April 29, 2011

Bushtits Move In

New Neighbors



A pair of Bushtits, Psaltriparus minimus, just built their nest in the live oak tree behind the Butterfly Pavilion. Kimball Garrett, our resident bird expert, found the nest this Monday and promptly sent me an e-mail detailing the nest's location. As soon as I got into work on Tuesday morning, I headed out to the Butterfly Pavilion to check it out.



Adult Bushtit, Psaltriparus minimus
Nest Hunt


Thankfully Kimball had given clear instructions to find the nest, as it was very well hidden in the oak foliage. The effort was well worth it, as it was one of the coolest nests I've ever seen in the...

April 1, 2011

New Bird For North Campus List

165 and Counting...

Earlier this week, Kimball Garrett, NHM Ornithology Collections Manager, spotted a not-so-common sight, a pair of Rufous Hummingbirds, Selasphorus rufus, in the Rose Garden. This hummingbird species is now number 165 on Kimball's Exposition Park Checklist. Over the last 28 years, Kimball has been keeping track of all the birds he sees in Exposition Park, even those that are just doing a fly-over!
Male Rufous Hummingbird

An Annual Migration

Most of the year Rufous Hummingbirds cannot be found in our region, but in March and April they are often seen passing through. Every year this bird makes an over 3,000 mile migration from its overwintering grounds in Mexico to the Pacific Northwest. It is easily confused with one...