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Least
Tern Project info
2006
Nesting Season
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Nesting Season
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Nesting Season
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Research
Endangered Habitats League
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Least
Tern & Snowy Plover Project
Summary of Reports & Photos
2006 Nesting Season
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Least
Tern eggs
photo
by Cyndie Kam
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Least
Tern incubating eggs
photo
by Cyndie Kam
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Least
Tern chicks
photo by Cyndie Kam
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To
provide some background for the project, here is Loren Hay's
final report (dated 8/08/05) for the 2005 Nesting Season which
was the first year of our project: |
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Thanks
to one and all for your contributions in conserving terns
and plovers at Huntington State Beach. A special
thanks to Dave Pryor and all of the docents for your diligence
and clearly important efforts in engaging the public in discussions
related to these species' conservation. As I mentioned
to the Eggers yesterday, I could sense the contributions that
the docents made every time I visited the area.
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CA
Least Terns
at Huntington State Beach |
Western
Snowy Plovers
at Huntington State Beach |
Date |
Adults |
Fledglings
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Total |
6/09 |
300 |
. |
300 |
6/17 |
200+ |
. |
200+ |
6/17 |
200+ |
. |
200+ |
6/24 |
275 |
. |
275 |
7/08 |
85 |
45 |
130 |
7/15 |
165 |
80 |
240 |
7/22 |
140 |
55 |
195 |
7/29 |
90 |
70 |
160 |
8/05 |
37 |
18 |
55 |
|
Date |
males |
females |
juv |
indetermin. |
total |
7/08 |
1 |
2 |
. |
3 |
6 |
7/22 |
2 |
2 |
3 |
. |
7 |
7/29 |
3 |
5 |
4 |
. |
12 |
8/05 |
1 |
2 |
. |
5 |
8 |
.
.
.
.
.
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.
. . . Human
beach traffic in the area was not necessarily high for
a Friday on 8/5 but it was once again almost impossible
for plovers to feed at or near the surfline because
of the presence of people (photographs, video).
Upon arriving at ~1330 on 8/5, there were 8 plovers
present. Of these, I watched 2 birds for ~15 minutes
attempting (unsuccessfully) to reach the water's edge
(video). Later, all 8 birds did reach the surfline
only to be repeatedly moved/flushed within a few minutes
of arriving. All but one bird left the area
at that time.
.
. . .Unless
they were inside the yellow-roped area (for the most
part on cool days only), the terns were repeatedly flushed
during all visits I made in late June, July, and August.
On 7/29, (for instance) one individual walking slowly
along the wet sand flushed virtually all of terns three
times in quick succession (video). Another major
problem that remains is the
intentional flushing of any and all birds by children
(and some adults;photographs, video)
.
. . .I noted
on arriving on 7/29 that the terns were extremely 'nervous'
or 'agitated' when I arrived. Because I am a little
bit slow, it took me about an hour and half to figure
out the causes for their frequent panic flights.
(Early on, for instance, I observed that sometimes gulls
flushed them, sometimes not). After far too long,
I began noticing that the terns invariably were getting
up each time that a relatively large bird flapping rapidly
(or moving very quickly, mostly the former) came towards
or near them. The strongest responses by the terns
by far (panic flights out to sea) were reserved
for rock doves, who had to flap strongly and rapidly
against a stiff westerly wind if they were headed west
along the shore. I checked with one of the best
birders in the nation to see if he, like I, was ever
fooled into thinking that pigeons were peregrines (or
other birds of prey) at a glance, particularly if they
were flying strongly. Lucky for me, he admitted
to the same tendency. Incidentally, I never saw
a peregrine anywhere at or near the colony this year,
but photographs have revealed there were at least two
present at various times. I suggested
to Jeep to maybe they were there even when they weren't
there, so to speak.
.
. . .To the
EC folks, although the quantities apparently have diminished
significantly, small amounts of tarballs remain on the
beach (photographs).I observed an oiled California
least tern fledgling (heavy deposit on the breast) on
7/22 (only). Katie has created a folder
L: EC/Spills/Huntington Tar Balls for the pertinent
photographs and documents....
Best to All,
Loren Hays
Staff Ornithologist/Senior
Wildlife Biologist
Carlsbad Fish and Wildlife
Office
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Jan.
11 - Greetings
from Cheryl Egger
Hi
Docents!
. . . . It's about
that time again--helping our Snowy Plovers have
a place to nest and watching over the Least Terns!
Mid-Feb is when Dave would like us to start monitoring
for activity. Dave tells me that the added sand
from last winter and the single strand fencing
placed last August has been lost. The amount of
fencing and signs we will have this year will
be determined by nesting activity and the size
of the beach.
. . . . With our
great success with the terns last year, I hope
last year's docents will all consider helping
again this year. And, those on this list who were
interested last year, but couldn't help--we would
appreciate your help this year!
. . . . Please let
me know via email if you can (help) and what your
best days/times are and I'll make up a schedule.
As you know from our first year, any amount of
time out there helps and of course, everyone has
things come up and vacations, so don't feel as
though you can't help if you can't be there every
week--it is a long season.
. . . . Thank you
in advance, and look forward to seeing you! I
will actually be able to be out there this year,
instead of just being the email person!
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Mar.
16 - Docent
monitoring program will continue
. . .
. The docent monitoring program at the
Natural Preserve area of the Santa Ana River
Mouth will continue this breeding season. Last
year was the first season with monitors in this
area. With Sea and Sage Audubon partnering in
this program, it was extremely successful. Huntington
State Beach was one of the top Least Tern breeding
areas in the state with 339 nests, 554 eggs,
a hatching success of 55%, and 71-90 fledglings.
It was an enjoyable and rewarding experience
for the docents, with chances to observe the
breeding colony and watch hatchlings grow to
fledglings.. . . ..
. . .
. . . . Approximately
8-13 Western Snowy Plovers have been observed
at Huntington State Beach this winter. In the
past, the Snowy Plovers have been driven out
of this area by human activity and have not
nested here. Through the docent program, we
can educate the public about the birds and their
nesting behavior. . .
.
. . . . The 2006
monitoring season should begin by mid February
to watch for activity. It will be important
for more coverage as the breeding season progresses.
Last year it continued through Labor Day with
most docents monitoring about two hrs per week.
It was proven last year that every hour of monitoring
helps. We need returning and new docents for
the potential of Western Snowy Plovers nesting
and the breeding of Least Terns at the colony.
. . . . If you
would like to help this year, or would like
more information, please contact David Pryor,
State Parks Ecologist, at 949-497-1421. Training
and mentoring programs will be conducted for
new volunteers.
If
you are a returning docent, and have not been
contacted, please contact Cheryl Egger at 714-842-9232
or
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March
30 - The
birds are coming; monitoring has begun.
.
. . . If
you have your badge from last year, it can be
used for entrance to the beach; the backpack is
in the Magnolia Street parking entrance kiosk.
Last year, Loren Hays, USFWS, and David Pryor,
State Park Ecologist, both stated that every single
hour of monitoring made a difference. The terns
were successful directly due to monitoring! There
is still hope for Snowy Plovers nesting, too!
Of course, the valuable and long term effect is
educating the public about both birds. We can
only do this by being out there!
. . . . When
the swallows return to San Juan Capistrano, we
know several other bird species will soon follow.
Spring must be in the air. And the California
Least Terns - we expect them to be seen during
the middle of April, and have nests with eggs
during the first week or so in May. We have modified
some of the fencing around the Natural Preserve
at Huntington State Beach, placed some new signs,
the front yard almost got washed away by the Talbert
Channel, and the County of Orange has had earth-moving
equipment there for much of the last 4 months.
.
. . . Western
Snowy Plovers have been seen with regularity all
winter long. Common locations for sightings continue
to be their roosting area at the foot of Brookhurst
St. and along the berm at Talbert outlet and in
front of the Preserve. Observations recorded show
a range of 1 to 15 to a high of 132 on 12/30/05
by Laurie Gorman of the Chambers Group. New this
year is a special nesting area made just for the
plovers. We hope they decide to use it.
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May
15 -
Watch Out For Dogs
on the Beach!
I picked up an injured Ring-billed
Gull in front of the preserve last Thurs.and took
it to Wetlands and Wildlife Care Center where
I also volunteer. Unfortunately it had severe
bite wounds, possibly from a dog, and it did not
make it. No way to tell where or how it happened,
but just as a reminder, please be diligent about
dogs on the beach. Also, if you do find any bird
that appears injured or sick and will not fly
away when you approach, please call Wetlands and
Wildlife Care Center at 714-374-5587. Since the
center is right across PCH at Newland, most of
the time we can get someone over there right away
to pick it up. I'll put the phone number on a
card in the backpack. —Cheryl
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May
31 - Update from Dave Pryor
.
. . . We
got some news from Randy Nagel, USFWS, on their
last week's survey. As of Thursday, we have 20
nests mostly with one egg each. There are four
nests in the front yard. The rest are inside the
main fenced-in area. But, we see many more birds
in the area, so we expect more nests soon.
.
. . . Wally
Ross and I surveyed recently and saw two crows
and one raven on the entire 2 mile stretch of
Huntington State Beach, so outside threats are
at a minimum. We are still sensitive to ground
squirrels expanding their range into the Preserve.
Please keep an eye out.
.
. . . Last
week, we counted only two Snowy Plovers on the
entire beach, but good to know they are still
in the area. The section of "front yard"
prepared for their particular breeding needs now
has some more sturdy signing, and we hope will
encourage visitors to stay out and away from the
fenced area. This section tends to have plenty
of weeds, especially sea rocket, although we have
gone through three different times to control
them.
.
. . . And,
yes, the chain link fencing is looking pretty
bad, but we have good news on that front. I've
purchased almost all of the needed poles to be
replaced, and have a contractor coming out to
give us an estimate for work planned for this
fall.
.
. . . Call
with predator information. The daily data sheets
are looking good. Keep up all of your great efforts.
Thanks. |
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June
4 - Update on nest counts
Here's
a note from Randy Nagel of USFWS. He and Cyndie
Kam do the in-preserve monitoring. We will be
getting this information from him each time they
monitor. Randy states: "We had a total
of 178 nests on 6-1-06 with no predation from
the previous week (42 nests in the front yard
and 136 in the main yard). Almost all of the nests
from the first week now have two eggs instead
of one, and I'd say over half of the new nests
this week already have two eggs in them. We actually
missed probably 6-10 more nests because we ran
out of popsicle sticks at the very end! Also found
two killdeer nests in the main yard with 4 eggs."
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June
5 - Watch for Great Blue
Herons!
. . . . David
had a walk through with Susan and Robert this
am at the preserve: "We picked up lots of trash,
chased away a Great Blue Heron and two crows.
An Osprey was on patrol of Talbert channel and
wetlands. The GBH most likely has a nest in
palms across the highway next to the Sanitation
District. For this reason, we need to watch
and take notes when we see it inside the Preserve.
We should have chicks by next week, and if the
GBH and/or its mate continue feeding on gophers,
then see CLT chicks, we could have grave problems.
Please keep an eye on this species.
.
. . .
We also saw a Great Egret inside the preserve
about 11:45 AM today for about 10 min. I guess
it got tired of being dive-bombed by the terns.
It just stood there and ducked and ducked and
finally flew away with hundreds of terns giving
chase. Hopefully it won't be a problem. There
was some trash inside the SE corner that had
attracted a crow, so any trash you can get to
outside the fence and pick up will help keep
them away. The crows were really patrolling
the beach after this last weekend, which I'm
sure was busy down there as it was very trashy.
FYI: The Monday 9-11 AM shift is available for
the month of June while Marilyn has other obligations.
Keep up the great work and predator watch--CA
Least Tern chicks will be here soon |
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June
17 - Update from Randy and
a Nest Report Table
Here's
the numbers Cyndie and I found last Thursday,
June 22, at Huntington SB. We saw a blue heron
fly low across the main colony but the terns chased
it away, it then perched on the lifeguard tower
to the southwest just outside of the colony. We
found two dead chicks, we are not really looking
for dead chicks, but we will note how many we
come across.
Date |
Active
Nests |
Total
Nests |
Chicks |
5/25/06 |
20 |
20 |
0 |
6/01/06 |
178 |
178 |
0 |
6/08/06 |
317 |
319 |
0 |
6/15/06 |
421 |
424 |
25 |
6/22/06 |
303 |
479 |
250 |
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June
29 - Update from Cyndie
The
Least Tern monitoring went well again today. There
are so many chicks running around all over the
preserve and many adults still sitting on eggs.
We even spotted a few fledglings! We found considerably
fewer new nests this week, and there are also
2 new Killdeer nests on the inside of the preserve.
Again, only a few dead chicks were found. The
adults seem to be finding plenty of fish for the
chicks (and some of the fish are quite large!).
The Great Blue Heron is still in the area, so
everybody keep an eye out! Here are a few more
pictures for everyone ... Thanks to all the wonderful
docents who are keeping an eye on the colony (it
really seems to be working!).
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July
7- Field Notes from Dave
Pryor
.
. . . There
were tons of young of the year all over the Preserve
this morning, yet no chicks nor fledglings seen
on the beach front. We survived the 4th!
.
. . .
Wally Ross said that if we see banded fledglings
in the next few days, they would most likely be
from Seal Beach Naval Weapons Station. They are
early and Terminal Is. (also with banded birds)
birds will come later within the season.
.
. . . To
get a better count of this year’s young;
we would like to coordinate 6-8 observers at a
time. Can anyone make it 0830 on Tuesday and/or
Wednesday next week for a counting of the young?
We will spend about an hour counting. Let Cheryl
know. I will be there with at least 2 other employees
each day.
.
. . . For
the first time at the Preserve, we saw 2 great-tailed
grackles. Probably not a threat as granivore/insectivores,
and they got chased out. But, keep an eye out
for them.
.
. . .
Other colonies have recently had problems with
American kestrels, and loggerhead shrikes. Be
on the lookout.
.
. . .
We have treated for ground squirrels in the last
two weeks, but still saw some today..
. . .
. . . . There
were 7 snowy plovers at the South end of the beach
front. No bands.
.
. . .
At this time, we may begin to see second nesting
attempts as birds fledge. There seems to be ample
food resources. We are expecting high productivity
numbers. Thanks for all the observations. |
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July
12 - Fledgling Count
.
. . . any time we see fledglings, outside of the
chain link area, we should try and count them
all. If we count the time it takes to get to a
fledgling stage (20-22 days incubation, 19-20
days to fledge), combine that with our peak nesting
period, we can figure a need to focus on fledgling
counts through the first few weeks of August,
peaking the last week of July. Hope to see you
down at the beach.
—Dave
Pryor |
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Description
of Fledgling Least Terns (Cheryl)
& Some Photos (Jim Salywoda)
OK
Folks--here's what it's all about!
.
. . . Below are two beautiful photos
of fledgling Least Terns. They were taken from
the beach in front of the preserve. Thanks to
all of you (and lots of fish), there will be many
fledgling terns this year from HBSB!
.
. . . This is pretty much the
plumage we are looking for when we are counting
fledglings. Although, some that are flying or
could be considered fledglings, may have less
black on the face and head and lack the dark patch
at the wrist. But, they all have elongated wings
(primary feathers are in) and brown/gray on their
back.
.
. . . And its great to see the
Snowys hanging around, too--maybe they'll find
the roped off area that was made for them and
be back next year.
.
. . . If these photos are posted
or used, please give Jim Salywoda credit. We ran
into him on Tues. AM and asked him to take some
photos of fledglings. He generously gave us permission
to use them for our project. |
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Fledgling
Least Tern on the beach
photo by Jim Salywoda
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Fledgling
Least Tern in flight
photo by Jim Salywoda |
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July
27 - CA Least Tern Numbers
(reports
from Cyndie & Randy)
Cyndie says, . . now there's so many fledglings
that they're very difficult to count inside the
preserve (as they can fly now!). We only had 3
new nests, so I think the season is winding down.
The numbers look great, and everyone has done
a fantastic job this year!!!)"
Randy Randy says,
"Things are winding down at HB, only 4 active
nests left. Found one dead fledgling inside the
main colony. There were 11 plovers on the beach
now their designated spot." |
| Date |
Active
Nests |
Total
Nests to Date |
Chicks |
Fledglings
Inside count |
Fledglings
Outside count |
S.P.
Group
Fledgling Counts |
| 5/25/06 |
20 |
20 |
0 |
0 |
0 |
. |
| 6/01/06 |
178 |
178 |
0 |
0 |
0 |
. |
| 6/08/06 |
317 |
319 |
0 |
0 |
0 |
. |
| 6/15/06 |
421 |
424 |
25 |
0 |
0 |
. |
| 6/22/06 |
303 |
479 |
250 |
0 |
0 |
. |
| 6/29/06 |
216 |
502 |
216 |
6 |
0 |
. |
7/06/06 |
141 |
508 |
220 |
81 |
0 |
. |
7/11/06 |
. |
. |
. |
. |
3 |
33-38 |
7/13/06 |
55 |
517 |
109 |
138 |
24 |
. |
7/18/06 |
. |
. |
. |
. |
. |
40 |
7/20/06 |
22 |
520 |
73 |
139 |
45 |
. |
7/27/06 |
4 |
521 |
34 |
148 |
50 |
. |
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Aug.
28: End of the Year
BBQ
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. . . All participants and people
interested in the program are welcome! Also, please
feel free to bring your spouse or a guest.
Hopefully you made a note on the calendar to attend
the End of Season BBQ. We are still planning on
having a get together on Wednesday August 30th
at 5:00 PM. We plan on meeting at the Huntington
State Beach Lifeguard Headquarters next to the
Magnolia Street entrance to the park.
.
. . . There
will be some awards for this year's significant
contributions to the effort, as well as a chance
for everyone to meet together, and talk about
some of our favorite species. One special attraction
will be the presentation of all of the outstanding
photographs taken this season. We have only distributed
a few to date. Hope all can make this appreciation
session.
.
. . .
We're set up for a potluck with A-L to bring salad
and M-Z desert. If you would take care of your
own utensils, drinks and stuff to grill, we've
got the location and grill. —Dave
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Oct.
.30:
Report on Breeding
Least Terns in California
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